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Weather & Climate in Ulan Bator, Mongolia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Ulan Bator has a cool climate with an average annual temperature of 29°F (-1°C). Winters average -8°F in January while summers reach 63°F in July / a wide seasonal temperature swing of 71°F. The area gets 316 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 11.1 inches (drier than the 38-inch national average). The area receives 1.2 inches of snow annually. The city sits at an elevation of 4,213 feet.
Temperature
-8°F Jan (-22°C)
63°F Jul (17°C)
| Annual Average | 29.4°F |
| 46% below US avg | |
| January Average | -8°F (-22°C) |
| July Average | 63°F (17°C) |
| Sunny Days | 316 days/yr |
Geography
| Elevation | 4,213 ft (1,284 m) |
| Area | 1,816.4 sq mi (4,704.4 km²) |
| Population Density | 465/sq mi |
| Coordinates | 47.9077°N, 106.8832°W |
| Timezone | Asia/Ulaanbaatar |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Mar 1, 1995 | 80 km ESE of Dzüünharaa, Mongolia | M4.2 | 91 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -8°F (-22°C) | 0.1 in | Coldest, Driest |
| February | -1°F (-18°C) | 0.1 in | |
| March | 15°F (-9°C) | 0.1 in | |
| April | 34°F (1°C) | 0.4 in | |
| May | 49°F (9°C) | 0.6 in | |
| June | 59°F (15°C) | 2.1 in | |
| July | 63°F (17°C) | 3.0 in | Warmest |
| August | 59°F (15°C) | 3.0 in | Wettest |
| September | 46°F (8°C) | 1.3 in | |
| October | 31°F (-1°C) | 0.3 in | |
| November | 10°F (-12°C) | 0.2 in | |
| December | -3°F (-19°C) | 0.1 in |
Ulan Bator has a seasonal temperature swing of 71°F / from -8°F in January to 63°F in July. Total annual precipitation is 11.1 inches, with August being the wettest month (3.0") and January the driest (0.1").