Ulaanbaatar, Mongolia Weather
Ulaanbaatar hourly forecast: next 24 hours
Today's high of 72°F (22°C) is right in line with the typical August high of 71°F (22°C).
Current conditions in detail
Ulaanbaatar weather tomorrow (Saturday, August 8)
Tomorrow in Ulaanbaatar looks sunny, with a high of 82° and an overnight low of 56°. There is a 57% chance of rain - plan accordingly. Winds top out near 10 mph, and the UV index reaches 8 (high).
Ulaanbaatar 14-day forecast
About the weather in Ulaanbaatar
Located in Mongolia, Ulaanbaatar experiences a humid continental climate with warm summers and cold, often snowy winters. Afternoon temperatures peak near 76°F (25°C) in July and dip to about 10°F (-12°C) in January, with around 13.9 inches (354 mm) of precipitation falling across the year.
Ulaanbaatar weather: quick facts
- Hottest month: July - highs near 76°F (25°C)
- Coldest month: January - highs near 10°F (-12°C)
- Record high: 100°F (38°C) · Record low: -42°F (-41°C) (2015–2024)
- Wettest month: August (12 rainy days) · Sunniest: June (12.1 h sun/day)
- Climate type: humid continental - warm summers and cold, often snowy winters
- Snow: about 15 days a year
Temperatures through the year
The warmest stretch of the year centers on July. Highs average 76°F (25°C) and overnight lows stay near 56°F (13°C). The coolest month is January, with typical highs of 10°F (-12°C) and lows around -10°F (-24°C). Based on 2015–2024 weather data, temperatures have reached as high as 100°F (38°C) and dropped as low as -42°F (-41°C).
Rain, sun and snow
August is usually the wettest month. It brings about 3.5 inches (90 mm) of rain over 12 days, while January is the driest. June brings the most sunshine, averaging 12.1 hours of sun a day. Snow falls on about 15 days in a typical year, mostly from February through May.
Season by season
Spring (March through May)
Spring in Ulaanbaatar is chilly, with daytime highs averaging 49°F (10°C) and nights around 26°F (-4°C); rain falls on about 13 days over the three months, plus around 7 snowy days.
Summer (June through August)
Summer in Ulaanbaatar brings comfortable warmth, with daytime highs averaging 73°F (23°C) and nights around 52°F (11°C); expect showers on roughly 33 days across the season.
Fall (September through November)
Fall in Ulaanbaatar is chilly, with daytime highs averaging 43°F (6°C) and nights around 24°F (-4°C); rain falls on about 15 days over the three months, plus around 6 snowy days.
Winter (December through February)
Winter in Ulaanbaatar is bitterly cold, with daytime highs averaging 13°F (-11°C) and nights around -7°F (-22°C); precipitation is infrequent. Wind makes those temperatures feel harsher than they sound - pair the forecast winds with the wind speed converter to judge conditions on exposed skin.
Average temperatures in Ulaanbaatar by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Humidity |
|---|---|---|---|---|---|---|
| January | 10° | -10° | 1 | 0.1 in | 8.0 h/day | 70% |
| February | 18° | -4° | 1 | 0.1 in | 9.4 h/day | 66% |
| March | 36° | 14° | 2 | 0.3 in | 10.7 h/day | 46% |
| April | 49° | 27° | 5 | 0.7 in | 11.2 h/day | 41% |
| May | 62° | 36° | 6 | 1.1 in | 12.0 h/day | 42% |
| June | 72° | 49° | 9 | 2.1 in | 12.1 h/day | 53% |
| July | 76° | 56° | 12 | 3.4 in | 11.2 h/day | 62% |
| August | 71° | 51° | 12 | 3.5 in | 11.1 h/day | 68% |
| September | 61° | 40° | 8 | 1.6 in | 9.8 h/day | 63% |
| October | 44° | 26° | 4 | 0.5 in | 9.0 h/day | 55% |
| November | 25° | 7° | 4 | 0.4 in | 7.8 h/day | 60% |
| December | 11° | -6° | 1 | 0.1 in | 7.4 h/day | 68% |