Capital city, Mongolia
Ulaanbaatar weather by month and the best time to visit
When to go to Ulaanbaatar
Jun–Sep is warm with green steppe; Naadam is 11–13 July (book early). Winters reach -30 C with heavy smog; spring is dusty and windy.
Ulaanbaatar weather by month
Average daily high, rainfall and conditions.
- Jan-14°3 mm
- Feb-10°4 mm
- Mar-1°6 mm
- Apr9°10 mm
- May17°29 mm
- Jun24°48 mm
- Jul26°68 mm
- Aug23°61 mm
- Sep16°25 mm
- Oct6°11 mm
- Nov-5°8 mm
- Dec-13°4 mm
Monthly averages
| Month | High | Low | Rain | Humidity | Conditions |
|---|---|---|---|---|---|
| January | -14°C6°F | -24°C-11°F | 3 mm | 90% | Freezing |
| February | -10°C13°F | -22°C-8°F | 4 mm | 85% | Freezing |
| March | -1°C30°F | -14°C8°F | 6 mm | 69% | Freezing |
| April | 9°C47°F | -4°C24°F | 10 mm | 53% | Cold |
| May | 17°C62°F | 2°C35°F | 29 mm | 50% | Cool |
| June | 24°C75°F | 9°C49°F | 48 mm | 53% | Pleasant |
| July | 26°C78°F | 12°C54°F | 68 mm | 59% | Pleasant |
| August | 23°C74°F | 10°C49°F | 61 mm | 62% | Pleasant |
| September | 16°C62°F | 3°C37°F | 25 mm | 60% | Cool |
| October | 6°C43°F | -5°C23°F | 11 mm | 66% | Cold |
| November | -5°C23°F | -15°C6°F | 8 mm | 80% | Freezing |
| December | -13°C9°F | -22°C-7°F | 4 mm | 89% | Freezing |
Best months across Mongolia
| Place | Best months | Warmest month |
|---|---|---|
| Ulaanbaatar | Jun–Sep | Jul (26°C) |
| Gobi Desert | Jun–Sep | Jul (30°C) |
| Terelj | Jun–Sep | Jul (25°C) |
| Lake Khuvsgul | Jun–Sep | Jul (22°C) |
Quick answers
What is the best month to visit Ulaanbaatar?
Jun–Sep. Jun–Sep is warm with green steppe; Naadam is 11–13 July (book early). Winters reach -30 C with heavy smog; spring is dusty and windy.
When is the rainy season in Ulaanbaatar?
Rain peaks in July with about 68 mm. No month averages 150 mm or more.
What is the hottest month in Ulaanbaatar?
July, with average highs of 26°C (78°F).
How cold does Ulaanbaatar get?
The coolest nights are in January, averaging -24°C (-11°F).
More about Ulaanbaatar
Going to Ulaanbaatar solo?
SoloSquare is where travelers, nomads and locals in Ulaanbaatar meet up for small plans: coffee, dinners, walks and day trips. Join one, or start your own in a minute.
Sources
Climate averages are modelled from NASA POWER (MERRA-2) for 2001–2020 at about 50 km resolution, so coasts and valleys can differ a little. Temperatures are adjusted by 1.7°C for the city's elevation. Compiled and reviewed by SoloSquare. How we compile and score this. Spotted something out of date? Tell us.