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Weather & Climate in Bayan-Ulaan, Mongolia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bayan-Ulaan has a cool climate with an average annual temperature of 33°F (0°C). Winters average 3°F in January while summers reach 60°F in July. The area gets 337 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 17.3 inches (drier than the 38-inch national average). The area receives 20.8 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 6,135 feet.
Temperature
3°F Jan (-16°C)
60°F Jul (16°C)
| Annual Average | 32.6°F |
| 40% below US avg | |
| January Average | 3°F (-16°C) |
| July Average | 60°F (16°C) |
| Sunny Days | 337 days/yr |
Geography
| Elevation | 6,135 ft (1,870 m) |
| Area | 7.5 sq mi (19.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 46.5218°N, 102.5943°W |
| Timezone | Asia/Ulaanbaatar |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.3.
| Sep 27, 2023 | 48 km NNW of Kharkhorin, Mongolia | M4.3 | 121 km | 10 km |
| Feb 16, 2019 | 58 km N of Kharkhorin, Mongolia | M4.3 | 134 km | 10 km |
| Apr 14, 2018 | 87 km SE of Arvayheer, Mongolia | M4.1 | 116 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 3°F (-16°C) | 0.1 in | Coldest, Driest |
| February | 7°F (-14°C) | 0.1 in | |
| March | 19°F (-7°C) | 0.1 in | |
| April | 35°F (2°C) | 0.4 in | |
| May | 49°F (9°C) | 0.8 in | |
| June | 57°F (14°C) | 1.9 in | |
| July | 60°F (16°C) | 3.0 in | Warmest, Wettest |
| August | 58°F (14°C) | 2.5 in | |
| September | 47°F (8°C) | 1.0 in | |
| October | 34°F (1°C) | 0.3 in | |
| November | 17°F (-8°C) | 0.2 in | |
| December | 6°F (-14°C) | 0.1 in |
Bayan-Ulaan has a seasonal temperature swing of 58°F / from 3°F in January to 60°F in July. Total annual precipitation is 10.5 inches, with July being the wettest month (3.0") and January the driest (0.1").