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Weather & Climate in Arvayheer, Mongolia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Arvayheer has a cool climate with an average annual temperature of 34°F (1°C). Winters average 5°F in January while summers reach 61°F in July. The area gets 318 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 9.9 inches (drier than the 38-inch national average). The city sits at an elevation of 6,030 feet.
Temperature
5°F Jan (-15°C)
61°F Jul (16°C)
| Annual Average | 33.9°F |
| 37% below US avg | |
| January Average | 5°F (-15°C) |
| July Average | 61°F (16°C) |
| Sunny Days | 318 days/yr |
Geography
| Elevation | 6,030 ft (1,838 m) |
| Area | 7.5 sq mi (19.4 km²) |
| Population Density | 3,928/sq mi |
| Coordinates | 46.2639°N, 102.7750°W |
| Timezone | Asia/Ulaanbaatar |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Mar 4, 2009 | 100 km SSE of Bayanhongor, Mongolia | M4.9 | 139 km | 10 km |
| May 5, 1990 | 142 km W of Mandalgovi, Mongolia | M4.8 | 146 km | 33 km |
| May 5, 1990 | 146 km SE of Arvayheer, Mongolia | M4.6 | 146 km | 33 km |
| Apr 14, 2018 | 87 km SE of Arvayheer, Mongolia | M4.1 | 87 km | 14 km |
| May 27, 2006 | 50 km NNE of Hovd, Mongolia | M3.6 | 133 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 5°F (-15°C) | 0.0 in | Coldest, Driest |
| February | 10°F (-12°C) | 0.1 in | |
| March | 20°F (-7°C) | 0.1 in | |
| April | 36°F (2°C) | 0.3 in | |
| May | 49°F (9°C) | 0.7 in | |
| June | 58°F (14°C) | 1.7 in | |
| July | 61°F (16°C) | 3.1 in | Warmest, Wettest |
| August | 58°F (14°C) | 2.5 in | |
| September | 48°F (9°C) | 0.9 in | |
| October | 35°F (2°C) | 0.3 in | |
| November | 19°F (-7°C) | 0.1 in | |
| December | 9°F (-13°C) | 0.1 in |
Arvayheer has a seasonal temperature swing of 55°F / from 5°F in January to 61°F in July. Total annual precipitation is 9.9 inches, with July being the wettest month (3.1") and January the driest (0.0").