Guides
When to go
Information as of 2026-09-21
Monthly climate
Ulaanbaatar
| High | Low | Rain | Daylight | |
|---|---|---|---|---|
| Jan | -15.5° | -25.6° | 2.1 | 8.8h |
| Feb | -9.4° | -21.7° | 2.8 | 10.2h |
| Mar | -0.2° | -12.6° | 4.6 | 11.8h |
| Apr | 10.4° | -3.3° | 8.4 | 13.6h |
| May | 17.8° | 3.5° | 21.7 | 15.1h |
| Jun | 23.1° | 10.3° | 47.2 | 16h |
| Jul | 25.2° | 13.5° | 74.5 | 15.7h |
| Aug | 23° | 11.1° | 65.4 | 14.3h |
| Sep | 17.2° | 4.1° | 27.9 | 12.6h |
| Oct | 7.7° | -4.5° | 8.6 | 10.9h |
| Nov | -4.8° | -15.1° | 6.3 | 9.3h |
| Dec | -13.7° | -22.9° | 3.5 | 8.4h |
South Gobi (Dalanzadgad)
| High | Low | Rain | Daylight | |
|---|---|---|---|---|
| Jan | -7.1° | -19.3° | 2 | 9.3h |
| Feb | -2.1° | -15.4° | 3 | 10.5h |
| Mar | 5.9° | -7.6° | 4 | 11.9h |
| Apr | 14.8° | -1.3° | 4 | 13.4h |
| May | 21.4° | 8.1° | 11 | 14.7h |
| Jun | 26.7° | 14° | 22 | 15.4h |
| Jul | 29.2° | 17.1° | 33 | 15.1h |
| Aug | 27.2° | 15.1° | 29 | 14h |
| Sep | 21.2° | 8.7° | 15 | 12.6h |
| Oct | 12.5° | -0.3° | 5 | 11.1h |
| Nov | 2.8° | -9.6° | 3 | 9.7h |
| Dec | -5° | -17.1° | 3 | 9h |
Khuvsgul (Murun)
| High | Low | Rain | Daylight | |
|---|---|---|---|---|
| Jan | -14.7° | -27.3° | 1.5 | 8.6h |
| Feb | -7.6° | -22.3° | 1.3 | 10.1h |
| Mar | 2.9° | -12.2° | 1.7 | 11.8h |
| Apr | 11.9° | -3.2° | 8 | 13.7h |
| May | 18.3° | 2.8° | 17.4 | 15.3h |
| Jun | 24.4° | 10.1° | 43.9 | 16.3h |
| Jul | 25.9° | 12.7° | 75.3 | 15.9h |
| Aug | 23.7° | 10.2° | 58 | 14.5h |
| Sep | 17.8° | 2.5° | 20.5 | 12.7h |
| Oct | 9° | -5.6° | 7.2 | 10.8h |
| Nov | -3.4° | -15.4° | 2.9 | 9.1h |
| Dec | -11.6° | -23.2° | 3.3 | 8.2h |
Altai west (Olgii)
| High | Low | Rain | Daylight | |
|---|---|---|---|---|
| Jan | -10.8° | -21.9° | 0.9 | 8.7h |
| Feb | -5.4° | -18.8° | 0.7 | 10.1h |
| Mar | 2.2° | -11.8° | 2 | 11.8h |
| Apr | 10.7° | -2.9° | 5 | 13.7h |
| May | 16.6° | 3.6° | 15 | 15.3h |
| Jun | 22.4° | 9.9° | 25 | 16.2h |
| Jul | 24.1° | 12.2° | 35 | 15.8h |
| Aug | 22.2° | 9.7° | 26 | 14.4h |
| Sep | 15.9° | 3° | 7 | 12.7h |
| Oct | 7.9° | -4.3° | 2 | 10.9h |
| Nov | -1.5° | -12° | 2 | 9.2h |
| Dec | -8.9° | -18.8° | 1 | 8.3h |
Season notes
- rainfall concentration: Nearly all of Mongolia's annual precipitation falls in the warm half of the year, with July and August carrying the bulk of it. Ulaanbaatar's annual total is around 310 mm, most of it in those two months. Rain arrives as short, heavy afternoon storms rather than all-day drizzle, so trips are rarely rained off, but unpaved tracks and river fords can be affected for hours at a time.
- sunshine: Mongolia averages roughly 257 cloudless days a year and sits under high pressure for much of the year, which is why even cold months read as bright rather than gloomy.
- dust storms: Spring is the wind-and-dust season. Warm days, freezing nights and strong winds across the steppe raise dust from the Gobi and the dry southern steppe, mainly March through May. The Mongolian and Gobi source regions are the same ones that produce the yellow-dust episodes felt in Korea and Japan, which the Korea Meteorological Administration has tracked rising from about two dusty days a year in the 1960s to roughly eleven in the 2000s, with no dust-free year since 2000. The UK Foreign Office notes that Mongolia issues weather warnings year-round for dust storms alongside flooding, blizzards, strong winds and heatwaves.
- mosquitoes and biting flies: No source opened for this file gave a dated, measured insect season. Travellers should be told, cautiously, that biting insects are a northern and lakeside summer problem rather than a nationwide one: they are associated with the forested and riverine north, including the Khuvsgul basin, in the warm wet months of roughly June to August, and are largely absent from the Gobi and from the whole country from September onwards. Treat any specific week-by-week claim as unconfirmed until a Mongolian public-health or park-authority source is checked.
- roads and driving: Only about 10 percent of Mongolia's road network is surfaced and signposting is minimal, so most countryside travel is on unmarked tracks. Because all land is public, drivers routinely leave the paved road and make their own line, which is normal practice rather than a sign of trouble. Formal road closures are rare; what actually stops a journey is mud after summer rain, snow and drifting in winter, and river crossings. The Foreign Office flags poor road conditions, low driving standards and poorly maintained vehicles as the main safety issue outside the capital.
- ger camps: opening and closing: Tourist ger camps are a warm-season business. They run broadly from May to September, and most close for the winter. Around Lake Khuvsgul the closures come earliest, with most lakeside accommodation shut by late autumn. Winter trips therefore use family gers, homestays and provincial hotels instead of tourist camps, and operators price winter as low season.
- Lake Khuvsgul: freeze and melt: The lake freezes over completely each winter and the ice becomes thick enough to carry heavy trucks, which is why an ice festival can be staged on it and why horse-drawn sledge trips run across it. Driving vehicles on the ice is now prohibited to protect the water, after a long history of trucks going through. Confirmed usable-ice period: the ice festival has been held on the lake in early March, and winter tours operate on the ice in February and March. Exact freeze-over and break-up dates were NOT confirmed by any source opened for this file. State them only as approximate: full freeze some time in the late-December to January window, break-up in the second half of May, with November and late April to May the two periods when the ice is untrustworthy.
- snow on the Altai passes: Bayan-Ölgii is the highest aimag in the country, with Khüiten Peak at 4,374 m and a valley floor around 1,700 m at Ölgii. Wikipedia records that the province's border crossing with China opens only for a short period in summer, which implies a long snow-closed season, but no source opened for this file gave named passes or dated opening and closing. Word it cautiously: high routes into the Tavan Bogd area are generally usable from about June to September, snow can fall on passes in any month, and October onwards should be treated as a mountaineering rather than a trekking proposition.
- dzud and winter severity: A dzud is a winter disaster in which livestock cannot graze and die in large numbers, caused by some combination of blizzard, drought, extreme cold and freezing rain. These are recurrent, not historical: the 2024 event killed over 7 million animals, more than a tenth of the national herd. For travellers this matters less as a personal danger than as a reason winter itineraries get cancelled or rerouted and why herder families may not be able to host.
- best overall window: The practical travel season runs May to October, peaking in July around the Naadam holiday and in August for weather. September is the quiet expert's choice: dry, clear, gold-coloured and uncrowded, with the trade-off of freezing nights and camps beginning to close. For the 2027 season, that maps to roughly mid-May through early October, with the Gobi usable a few weeks either side of that at both ends.
- festival scheduling behaviour: Mongolian festival dates are not locked down the way European ones are. An experienced operator warns that dates can shift at short notice and that programmes are often released only a day or two beforehand, that start times slip, and that waiting is normal. Countryside naadams in particular are frequently announced only days ahead. Any 2027 date in this file that is not fixed by statute should be published with a visible caveat and re-checked in spring 2027.
Festivals
National Naadam Festival
2027 11-13 July 2027 for the festival itself; public holidays 11-15 July 2027 (Sunday to Thursday). Horse racing heats begin in the days before the 11th.
Ulaanbaatar. Opening ceremony, wrestling and the closing at the National Sports Stadium; archery and knuckle-bone shooting at the adjacent archery and shagai grounds; horse racing out of town at Khui Doloon Khudag on the steppe west of the city.
[{"when":"Days before 11 July","what":"Horse-race heats build up at Khui Doloon Khudag; the city fills and the national costume and state-flag events take place around Chinggis (Sükhbaatar) Square."},{"when":"11 July, morning","what":"The nine white horse-tail standards are carried in procession from the parliament building on the main square to the stadium, followed by the opening ceremony with mounted cavalry, dancers, monks and uniformed formations."},{"when":"11 July, from midday","what":"Wrestling begins in the stadium, running as a single-elimination tournament of several hundred wrestlers over nine or ten rounds. Archery and knuckle-bone (shagai) shooting run in parallel at the neighbouring grounds."},{"when":"12 July","what":"Wrestling continues to the later rounds; archery and knuckle-bone shooting continue; further horse races at Khui Doloon Khudag."},{"when":"13 July","what":"Final wrestling rounds and the closing ceremony."}]
Book ahead Treat Naadam as a book-early event. International flights and Ulaanbaatar hotels for the 11-13 July window should be secured several months ahead; operators were already publishing and selling fixed July 2027 Naadam departures in September 2026, priced from about USD 1,850 per person for a seven-day trip and about USD 2,690 for a ten-day Gobi-plus-Naadam trip, with tickets and arrangements included.
Countryside and aimag Naadams
estimated2027 June to August 2027. Provincial (aimag) naadams usually cluster in the days around 11 July or in the weeks either side; district (soum) naadams are scattered through the summer.
Across all 21 aimags and their soums. Common examples marketed to visitors include Kharkhorin in Övörkhangai and various Töv aimag soums within a day of Ulaanbaatar.
The same three games as the national event - wrestling, archery, horse racing - at village scale, on a bare field with a truck for a stage, everyone from the district present. Smaller fields, closer access to the horses and the wrestlers, no ticketing, and a far more domestic atmosphere than the stadium in Ulaanbaatar.
Book ahead Book the trip, not the festival. Flexibility is the requirement: operators build itineraries that pick up whichever local naadam is running that week.
Danshig Naadam and Khuree Tsam
estimated2027 Expected late June 2027, most likely the last weekend of June. Treat as unconfirmed.
Khui Doloon Khudag, the horse-racing steppe west of Ulaanbaatar (the same ground used for Naadam horse racing).
A combined religious and sporting festival honouring Zanabazar, Mongolia's first Buddhist spiritual leader (1635-1723). Its centrepiece is the Khuree Tsam, a masked ritual dance performed by monks in heavy costume and carved masks, staged as a contest of wisdom over destructive forces. Around it run the three naadam games, music, exhibitions and a market. The modern festival was revived in 2015 and is linked to the commemoration of independence from the Qing and to State Flag Day.
Book ahead A day trip from Ulaanbaatar, so no long lead is needed for the event itself. Operators sell it bundled into Gobi itineraries departing a day or two ahead.
Golden Eagle Festival
estimated2027 Expected 2-3 October 2027, being the first weekend of October.
Bayan-Ölgii Province, western Mongolia. The 2026 edition is listed at Bugat village near Ölgii; events have also historically run in central Ölgii and on the steppe about 4 km outside the town.
Kazakh eagle hunters compete with their golden eagles: how well an eagle hunts a lure, how reliably it returns to the hunter's arm when called from a distance, and the quality of traditional dress and equipment. Around the eagle events run Kazakh horse games including kökpar (a tug-of-war over a goat carcass on horseback), tiyn teru (picking a coin from the ground at a gallop) and kyz kuu (the chase between a man and a woman on horseback), plus archery, camel racing, an opening procession, music and a craft market. Typical field is 50 to 80 hunters; roughly 70 take part in the October edition, and Bayan-Ölgii is home to a large majority of the world's practising eagle hunters.
Book ahead Book as early as possible. The constraint is not the festival ground but the Ulaanbaatar-Ölgii flight and the limited beds in a small town; operators specifically advise booking domestic flights and accommodation early. Six to nine months ahead is realistic for the October peak.
Sagsai Golden Eagle Festival
estimated2027 Expected 17-18 September 2027 (Friday-Saturday).
Near Sagsai soum, about an hour from Ölgii in Bayan-Ölgii Province. One source also places a related September edition at Uujim.
The smaller, earlier and less crowded of the two western eagle festivals, with a field of roughly 40 hunters in some years. Same core competitions as the October event - calling the eagle down from a hillside, hunting a dragged lure, costume and equipment judging - plus Kazakh horse games, archery and camel racing. Its distinctive extra is a staged nomadic migration procession with loaded camels, riders and a ger being moved.
Book ahead Slightly easier than October but the same bottleneck applies: the Ölgii flight and local beds. Four to six months ahead is sensible.
Spring Golden Eagle Festival (near Ulaanbaatar)
estimated2027 Expected early March 2027. Unconfirmed.
Chinggis Khaanii Khüree tourist complex on the steppe outside Ulaanbaatar.
A winter-season eagle event staged within reach of the capital rather than in the far west: Kazakh eagle hunters travel in to demonstrate falconry, alongside Mongolian falconers performing mounted warrior skills. Useful for a traveller who cannot get to Bayan-Ölgii, but it is a brought-to-you event rather than a community festival in its home region, and should be described that way.
Book ahead Short. It is a half-day trip from Ulaanbaatar and is normally added to a winter itinerary.
Khuvsgul Lake Ice Festival
estimated2027 Expected around 1-3 March 2027. Unconfirmed.
On the frozen surface of Lake Khuvsgul at the southern end, at or near Khatgal. One operator locates the festival ground at Khar-Us, north of Khatgal. Nearest airport is Mörön, then roughly 100 km by road.
Games staged on the ice: wrestling on the ice, horse-drawn sledge racing, skating and speed races, tug-of-war between local teams, and a Russian jeep race across the lake. Around them run shaman ceremonies, music and sports demonstrations, plus ice sculpture. It is a genuine local winter gathering that has become a visitor draw, not a purpose-built tourist show.
Book ahead Three to six months. The binding constraints are the Mörön flight, heated accommodation at Khatgal (tourist ger camps are shut, so it is family gers, homestays and provincial hotels), and cold-weather transport. Operators discount winter by around 15 percent, so the trip is cheaper than summer but harder to arrange late.
Thousand Camel Festival
estimated2027 Unconfirmed and genuinely contested. One operator sells a 2027 festival tour departing 29 January 2027 (four days, so a festival around 31 January to 1 February); another operator's generic annual calendar places it on 6-8 March. Do not publish a single 2027 date.
Ömnögovi (South Gobi) Province. The 2026 edition is listed at Dalanzadgad, the provincial capital; the festival is also historically associated with Bulgan soum in the same province.
A working celebration of the Bactrian camel: a mass camel parade to open, camel races, camel polo, loading and packing contests, lassoing and nose-peg demonstrations, a camel beauty and harness contest judging saddles and rigging, and stalls of camel-wool and dairy goods. Held in deep cold, so it is a short, sharp, heavily wrapped-up day rather than a long festival.
Book ahead Three to four months, driven by the Dalanzadgad flight and heated winter accommodation rather than by the festival itself.
Tsagaan Sar (Mongolian Lunar New Year)
estimated2027 Bituun 6 February 2027 (Saturday); first day of Tsagaan Sar 7 February 2027 (Sunday); public holidays 7-9 February 2027.
Nationwide, and above all inside homes. There is no public spectacle to attend; the holiday is a sequence of family visits.
Three days of visiting, beginning on Bituun, the eve, when the old year's business is settled and the household eats together. On the first morning the zolgokh greeting is performed, younger people supporting the elbows of their elders while holding a blue silk khadag. Households lay out a tower of stacked cakes, dairy foods, rice with curds, mutton and buuz dumplings by the hundred, and every visit means eating. Gifts are exchanged at every stop.
Book ahead Two to four months if you want a homestay invitation and domestic travel over the holiday. Note that the whole country stops for three to four days and that the Foreign Office flags increased pickpocketing in crowds around Tsagaan Sar and Naadam.
Nauryz (Kazakh spring new year)
estimated2027 Expected 21-22 March 2027.
Bayan-Ölgii Province, the country's only Kazakh-majority and Muslim-majority aimag, where Kazakhs are about 93 percent of the population. Centred on Ölgii town and the surrounding soums.
The Kazakh spring new year, marking the equinox: the communal nauryz kozhe dish, household visiting, music, wrestling and horse games, and public gatherings in town. It is the one major event in the western calendar that is not built around eagles, and it is a community occasion rather than a visitor attraction.
Book ahead The event needs no lead, but March travel to Ölgii does: flights are less frequent, it is still deep cold at 1,710 m, and there is almost no tourist infrastructure running. Allow two to three months and use an operator.
Playtime International Music Festival
estimated2027 Expected early July 2027, in the week before Naadam. Unconfirmed.
Gachuurt, a valley village in the hills roughly half an hour east of Ulaanbaatar. A camping festival, not a city venue.
Mongolia's main outdoor rock and popular-music festival, several stages over a long weekend with camping on site. It is the one event on this calendar aimed squarely at young Mongolians rather than at visitors, and it is the obvious add-on for a traveller arriving a few days before Naadam.
Book ahead Short for the festival itself, but it collides with the Naadam flight and hotel crunch, so treat travel as if booking for Naadam.
Yak Festival
estimated2027 Expected late July 2027. Unconfirmed.
Bat-Ölzii soum in Övörkhangai Province, in the upper Orkhon valley area, reachable as an extension from Kharkhorin. Note that another operator's generic calendar also lists a Yak Festival on 23 July without naming the location.
A single-day herders' festival built around the yak, the animal the high valleys actually run on: yak races and yak riding, yak-cart events, herding demonstrations and local dairy produce. Small, local and unpolished, and useful in an itinerary precisely because it sits a week or two after Naadam when the central valleys are otherwise quiet.
Book ahead None for the event. It is added to a central-Mongolia itinerary, so the lead is whatever the trip needs.
Winter horse festivals
estimated2027 Expected third week of November 2027, Khentii. Unconfirmed.
Khentii Province, eastern Mongolia, roughly a long day's drive from Ulaanbaatar.
A cold-season gathering of horse herders on the open steppe: horses driven and shown in their winter coats, herding and lassoing with the urga pole, and racing on frozen ground. The appeal is visual and documentary - thousands of horses steaming in hard light - rather than programmatic.
Book ahead Two to three months, and only with an operator: there is no tourist accommodation in the area in November and temperatures at that point are already well below freezing day and night.
When to go
Mongolia's night sky sells itself on two numbers: roughly 257 cloudless days a year, and almost no artificial light once you leave Ulaanbaatar. The catch nobody mentions in brochures is that the clearest, darkest months are not the months most people visit, and that in the far north there is a stretch of early summer with no true darkness at all.
Late August to early October, with September the single best month. The summer rain has stopped, the air is dry and dust-free, the nights are long enough to be properly dark, and the Milky Way core is still well placed in the early evening. The trade-off is cold: expect below-freezing nights at Khuvsgul and near-freezing nights in the Gobi by late September.
The South Gobi. It is the driest of the four regions (15 mm in September at Dalanzadgad against 20.5 mm at Mörön), the warmest at night, and being the furthest south it keeps the longest astronomical night of the four in every summer month.
Mid-June to mid-July everywhere north of about 49 degrees, and July nationally. July is the wettest month across the country and the shortest-nighted.
Hours per night with the sun more than 18 degrees below the horizon, computed for the 15th of each month from latitude. This is the window in which the Milky Way can actually be photographed; civil and nautical twilight are too bright.
Plan Milky Way nights inside a window of roughly three days either side of new moon, when the moon is less than about 25 percent lit and sets close to the sun. Between first quarter and last quarter the moon washes out the core even in a sky as dark as Mongolia's. A useful second trick: in the days just after full moon the moon rises late, so the first hours of the night are still dark - check moonrise, not just the phase percentage.
The galactic core is above the horizon during the dark hours from roughly late April to early October at these latitudes, standing highest around the middle of the night in June and July and shifting into the early evening through August and September. In September it is visible in the south-west soon after full dark and sets before midnight, which is the easiest combination of all: dark early, warm enough to work, and a short night out.
Two of the 2027 new-moon windows land usefully: 28 August to 3 September 2027 combines a dark moon with about 6-8 hours of astronomical night and the end of the rain, and 27 September to 3 October 2027 gives the longest dark nights of the season plus the Golden Eagle Festival weekend in Bayan-Ölgii on the estimated 2-3 October. The July new moon on the 4th falls in Naadam week and in the wettest, shortest-nighted part of the year - good for the festival, poor for the sky.
- 2027-06-04roughly 1-8 June 2027
- 2027-07-04roughly 1-7 July 2027
- 2027-08-02roughly 30 July - 5 August 2027
- 2027-08-31roughly 28 August - 3 September 2027
- 2027-09-30roughly 27 September - 3 October 2027