Weather & climate · Ulaanbaatar

Best Time to Visit Mongolia

June to July

The best time to visit Mongolia is June to July, when daytime highs in Ulaanbaatar are around 22–24°C. August is also a good time to go. July is the warmest month (24°C by day), January the coldest (-26°C at night), and July the wettest with about 68 mm of rain.

24°C

Warmest: July

-26°C

Coldest nights: January

277 mm

Rain per year

68 mm

Wettest: July

Mongolia weather by month

Jan-16°C-26°C3 mm
Feb-12°C-24°C4 mm
Mar-3°C-15°C6 mm
Apr7°C-6°C10 mm
May15°C-0°C29 mm
Jun22°C8°C48 mm
Jul24°C11°C68 mm
Aug21°C8°C61 mm
Sep15°C1°C25 mm
Oct4°C-7°C11 mm
Nov-7°C-16°C8 mm
Dec-15°C-23°C4 mm

Best time Good Less ideal

Average high Average low Rain (mm per month)

Month	High	Low	Rain	Humidity	Cloud cover	Verdict
January	-16°C	-26°C	3 mm	90%	43%	Cold
February	-12°C	-24°C	4 mm	85%	47%	Cold
March	-3°C	-15°C	6 mm	69%	49%	Cold
April	7°C	-6°C	10 mm	53%	52%	Cold
May	15°C	-0°C	29 mm	50%	54%	Fair
June	22°C	8°C	48 mm	53%	61%	Best time
July	24°C	11°C	68 mm	59%	61%	Best time
August	21°C	8°C	61 mm	62%	55%	Good
September	15°C	1°C	25 mm	60%	46%	Fair
October	4°C	-7°C	11 mm	66%	45%	Cold
November	-7°C	-16°C	8 mm	80%	51%	Cold
December	-15°C	-23°C	4 mm	89%	50%	Cold

Data: NASA POWER (Prediction Of Worldwide Energy Resources) — 25-year climate averages 2001–2025, public domain, for the area around Ulaanbaatar (47.92, 106.92). Satellite and model averages — local weather stations can differ by 1–2 °C, and mountains or coasts elsewhere in Mongolia have their own climate.

Frequently asked questions

When is the best time to visit Mongolia?

June to July. The best time to visit Mongolia is June to July, when daytime highs in Ulaanbaatar are around 22–24°C. August is also a good time to go. July is the warmest month (24°C by day), January the coldest (-26°C at night), and July the wettest with about 68 mm of rain.

What is the hottest month in Mongolia?

July, with average highs of 24°C in Ulaanbaatar.

What is the coldest month in Mongolia?

January, when nights drop to about -26°C and days reach -16°C.

What is the rainiest month in Mongolia?

July with about 68 mm; January is the driest (3 mm).

When should I avoid visiting Mongolia?

December is the least comfortable month on average: -15°C by day and 4 mm of rain.

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