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The best time to visit Ulaanbaatar
June, July, August and September — daytime highs around 21°C. Every number on this page is measured, not guessed.
Ulaanbaatar month by month
| Month | Day | Night | Wet days | |
|---|---|---|---|---|
| January | -13°C | -24°C | 0 | |
| February | -7°C | -20°C | 1 | |
| March | 3°C | -10°C | 2 | |
| April | 8°C | -4°C | 6 | |
| May | 15°C | 2°C | 10 | Shoulder |
| June | 22°C | 10°C | 11 | Best |
| July | 23°C | 12°C | 15 | Best |
| August | 21°C | 10°C | 10 | Best |
| September | 17°C | 5°C | 8 | Best |
| October | 7°C | -3°C | 4 | Shoulder |
| November | -5°C | -14°C | 3 | |
| December | -12°C | -21°C | 2 |
The short version
Warmest: July, around 23°C by day. Coolest: January, around -13°C by day and -24°C at night. Wettest: July with about 15 wet days. Driest: January with about 0.
If you want fewer people: May, October sit right beside the best months. The weather is close and the crowds are not.
Book it for those months
Prices climb as the good months fill up.
Common questions
When is the best time to visit Ulaanbaatar?
The best months are June, July, August and September, when daytime highs sit around 21°C.
What is the hottest month in Ulaanbaatar?
July, with daytime highs around 23°C.
What is the wettest month in Ulaanbaatar?
July, with about 15 wet days. The driest is January with about 0.
When is the cheapest time to visit Ulaanbaatar?
Prices follow the weather. The months either side of the best ones — May, October — are usually cheaper with similar conditions.
Temperatures and wet days are measured, not estimated: ERA5 reanalysis for 2021-2023, at Ulaanbaatar. Source: Open-Meteo.