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Weather & Climate in Mengyan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mengyan enjoys a temperate climate with an average annual temperature of 60°F (15°C). Winters average 40°F in January while summers reach 77°F in July. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 50.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,827 feet.
Temperature
40°F Jan (4°C)
77°F Jul (25°C)
| Annual Average | 59.6°F |
| 10% above US avg | |
| January Average | 40°F (4°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 1,827 ft (557 m) |
| Area | 1,965.0 sq mi (5,089.3 km²) |
| Population Density | 5/sq mi |
| Coordinates | 26.3167°N, 108.8833°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
7 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Mar 30, 2015 | Guizhou, China | M5.4 | 42 km | 17 km |
| Aug 5, 2017 | 20 km WNW of Runsong, China | M4.4 | 66 km | 10 km |
| Apr 3, 2015 | 11 km NNE of Qimeng, China | M4.3 | 33 km | 13 km |
| Jul 13, 2007 | 30 km W of Qimeng, China | M4.2 | 29 km | 10 km |
| Mar 22, 2015 | 11 km NNE of Qimeng, China | M4.2 | 34 km | 12 km |
| Mar 14, 2018 | 23 km SW of Runsong, China | M4.0 | 43 km | 10 km |
| Jul 24, 1993 | 26 km ESE of Xishan, China | M3.6 | 84 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (4°C) | 1.6 in | Coldest |
| February | 43°F (6°C) | 1.9 in | |
| March | 50°F (10°C) | 2.7 in | |
| April | 60°F (16°C) | 5.6 in | |
| May | 68°F (20°C) | 8.4 in | Wettest |
| June | 74°F (23°C) | 8.4 in | |
| July | 77°F (25°C) | 5.7 in | Warmest |
| August | 76°F (25°C) | 5.8 in | |
| September | 71°F (21°C) | 3.2 in | |
| October | 62°F (17°C) | 3.7 in | |
| November | 52°F (11°C) | 2.5 in | |
| December | 45°F (7°C) | 1.3 in | Driest |
Mengyan has a seasonal temperature swing of 37°F / from 40°F in January to 77°F in July. Total annual precipitation is 50.6 inches, with May being the wettest month (8.4") and December the driest (1.3").