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Weather & Climate in Bayan, Mongolia
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Bayan has a cool climate with an average annual temperature of 28°F (-3°C). Winters average -6°F in January while summers reach 59°F in July / a wide seasonal temperature swing of 65°F. The area gets 329 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 20.4 inches (drier than the 38-inch national average). The area receives 44.4 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 5,738 feet.
Temperature
-6°F Jan (-21°C)
59°F Jul (15°C)
| Annual Average | 27.5°F |
| 49% below US avg | |
| January Average | -6°F (-21°C) |
| July Average | 59°F (15°C) |
| Sunny Days | 329 days/yr |
Geography
| Elevation | 5,738 ft (1,749 m) |
| Area | 9.5 sq mi (24.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 49.4333°N, 99.6000°W |
| Timezone | Asia/Ulaanbaatar |
Precipitation & Snow
Air Quality
Earthquake History
11 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Mar 3, 2008 | 56 km NNW of Tosontsengel, Mongolia | M4.6 | 120 km | 29 km |
| Apr 5, 2008 | 102 km NNE of Mörön, Mongolia | M4.5 | 138 km | 10 km |
| Jul 24, 2001 | 96 km N of Tosontsengel, Mongolia | M4.4 | 94 km | 33 km |
| Feb 5, 1992 | 69 km N of Mörön, Mongolia | M4.4 | 101 km | 45 km |
| Feb 22, 1993 | 66 km ESE of Kungurtug, Russia | M4.3 | 143 km | 74 km |
| Feb 4, 1998 | 41 km WNW of Mörön, Mongolia | M4.3 | 41 km | 33 km |
| Apr 6, 2022 | 108 km S of Kungurtug, Russia | M4.2 | 146 km | 10 km |
| Mar 23, 2016 | 100 km SSE of Kungurtug, Russia | M4.2 | 106 km | 16 km |
| Aug 31, 1996 | 83 km NNW of Tosontsengel, Mongolia | M3.9 | 127 km | 33 km |
| Jul 20, 2004 | 85 km SE of Kungurtug, Russia | M3.8 | 113 km | 10 km |
| Apr 5, 2008 | 92 km NNE of Mörön, Mongolia | M3.6 | 128 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Taryatu-Chulutu (147 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Taryatu-Chulutu | Volcanic field | 2,326 m (7,631 ft) | -2980 | 147 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | -6°F (-21°C) | 0.1 in | Coldest, Driest |
| February | -2°F (-19°C) | 0.1 in | |
| March | 14°F (-10°C) | 0.1 in | |
| April | 32°F (0°C) | 0.3 in | |
| May | 47°F (8°C) | 0.6 in | |
| June | 56°F (14°C) | 1.8 in | |
| July | 59°F (15°C) | 3.0 in | Warmest, Wettest |
| August | 56°F (13°C) | 2.2 in | |
| September | 45°F (7°C) | 0.9 in | |
| October | 29°F (-1°C) | 0.3 in | |
| November | 9°F (-13°C) | 0.2 in | |
| December | -5°F (-20°C) | 0.1 in |
Bayan has a seasonal temperature swing of 66°F / from -6°F in January to 59°F in July. Total annual precipitation is 9.7 inches, with July being the wettest month (3.0") and January the driest (0.1").