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Weather & Climate in Altan, Mongolia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Altan has a cool climate with an average annual temperature of 26°F (-3°C). Winters average -0°F in January while summers reach 60°F in July. The area gets 333 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 8.5 inches (drier than the 38-inch national average). The area receives 15.5 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 6,276 feet.
Temperature
-0°F Jan (-18°C)
60°F Jul (15°C)
| Annual Average | 26.4°F |
| 51% below US avg | |
| January Average | -0°F (-18°C) |
| July Average | 60°F (15°C) |
| Sunny Days | 333 days/yr |
Geography
| Elevation | 6,276 ft (1,913 m) |
| Area | 12.4 sq mi (32.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 48.1167°N, 95.7167°W |
| Timezone | Asia/Hovd |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Apr 8, 1990 | 73 km SW of Uliastay, Mongolia | M4.9 | 110 km | 15 km |
| Aug 20, 2023 | 78 km SSW of Uliastay, Mongolia | M4.4 | 130 km | 10 km |
| Feb 17, 2020 | 66 km NNW of Altai, Mongolia | M4.2 | 133 km | 10 km |
| Jul 7, 2001 | 102 km S of Erzin, Russia | M4.1 | 150 km | 33 km |
| Jan 6, 2006 | 65 km SW of Uliastay, Mongolia | M3.3 | 101 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -0°F (-18°C) | 0.1 in | Driest |
| February | -7°F (-21°C) | 0.1 in | |
| March | 9°F (-13°C) | 0.2 in | |
| April | 32°F (-0°C) | 0.5 in | |
| May | 47°F (8°C) | 0.7 in | |
| June | 57°F (14°C) | 1.3 in | |
| July | 60°F (15°C) | 2.3 in | Warmest, Wettest |
| August | 56°F (13°C) | 1.8 in | |
| September | 45°F (7°C) | 0.9 in | |
| October | 30°F (-1°C) | 0.4 in | |
| November | 8°F (-13°C) | 0.3 in | |
| December | -7°F (-22°C) | 0.2 in | Coldest |
Altan has a seasonal temperature swing of 67°F / from -7°F in December to 60°F in July. Total annual precipitation is 8.8 inches, with July being the wettest month (2.3") and January the driest (0.1").