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Weather & Climate in Yanmen, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yanmen enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 42°F in January while summers reach 82°F in July. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 51.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 528 feet.
Temperature
42°F Jan (6°C)
82°F Jul (28°C)
| Annual Average | 63.0°F |
| 17% above US avg | |
| January Average | 42°F (6°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 528 ft (161 m) |
| Area | 281.3 sq mi (728.6 km²) |
| Population Density | 6/sq mi |
| Coordinates | 27.8550°N, 109.7403°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Aug 5, 2017 | 20 km WNW of Runsong, China | M4.4 | 134 km | 10 km |
| Aug 7, 1996 | 31 km ENE of Xujiaba, China | M4.0 | 134 km | 33 km |
| Jan 7, 2025 | 23 km WSW of Lixi, China | M4.0 | 147 km | 10 km |
| Jun 3, 1991 | 6 km S of Xiaoshajiang, China | M3.8 | 109 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 42°F (6°C) | 1.5 in | Coldest |
| February | 45°F (7°C) | 1.9 in | |
| March | 52°F (11°C) | 3.2 in | |
| April | 63°F (17°C) | 6.2 in | |
| May | 71°F (22°C) | 8.1 in | |
| June | 77°F (25°C) | 8.8 in | Wettest |
| July | 82°F (28°C) | 5.8 in | Warmest |
| August | 82°F (28°C) | 4.6 in | |
| September | 75°F (24°C) | 3.2 in | |
| October | 65°F (18°C) | 4.0 in | |
| November | 55°F (13°C) | 2.5 in | |
| December | 47°F (8°C) | 1.2 in | Driest |
Yanmen has a seasonal temperature swing of 40°F / from 42°F in January to 82°F in July. Total annual precipitation is 51.0 inches, with June being the wettest month (8.8") and December the driest (1.2").