Weather & Climate in Longmen, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longmen has a cool climate with an average annual temperature of 18°F (-8°C). Winters average -2°F in January while summers reach 39°F in July. The area gets 336 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 24.9 inches (drier than the 38-inch national average). The area receives 112.3 inches of snow annually, making winter weather a significant factor for residents. The city sits at an elevation of 14,259 feet.
Temperature
-2°F Jan (-19°C)
39°F Jul (4°C)
| Annual Average | 17.5°F |
| 68% below US avg | |
| January Average | -2°F (-19°C) |
| July Average | 39°F (4°C) |
| Sunny Days | 336 days/yr |
Geography
| Elevation | 14,259 ft (4,346 m) |
| Area | 3,745.7 sq mi (9,701.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 37.8778°N, 98.9231°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
46 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.9.
| Oct 26, 1993 | 141 km S of Jiuquan, China | M5.9 | 71 km | 8 km |
| Apr 30, 2007 | 157 km S of Laojunmiao, China | M5.2 | 112 km | 10 km |
| Jan 2, 1991 | 96 km SSW of Zhangye, China | M5.1 | 96 km | 13 km |
| Sep 16, 2019 | 44 km SSW of Zhangye, China | M5.1 | 139 km | 17 km |
| Jul 18, 2003 | 92 km S of Jiuquan, China | M5.0 | 119 km | 10 km |
| Jan 6, 1997 | northern Qinghai, China | M5.0 | 133 km | 33 km |
| Oct 6, 2003 | 39 km WSW of Zhangye, China | M5.0 | 144 km | 10 km |
| Jun 21, 1992 | 113 km SW of Zhangye, China | M5.0 | 65 km | 20 km |
| Jan 17, 2008 | 92 km SSW of Zhangye, China | M4.9 | 117 km | 42 km |
| Aug 27, 1994 | 142 km S of Jiuquan, China | M4.9 | 71 km | 33 km |
| Aug 15, 2022 | 125 km WSW of Zhangye, China | M4.9 | 69 km | 10 km |
| Apr 27, 2005 | northern Qinghai, China | M4.8 | 137 km | 42 km |
| Sep 8, 1991 | 286 km W of Xining, China | M4.8 | 143 km | 23 km |
| Mar 4, 2024 | 29 km NW of Yanglong, China | M4.6 | 137 km | 10 km |
| Sep 16, 2019 | 37 km SSW of Zhangye, China | M4.6 | 147 km | 10 km |
| Apr 27, 2005 | northern Qinghai, China | M4.5 | 137 km | 44 km |
| Apr 7, 2020 | 98 km SW of Zhangye, China | M4.5 | 86 km | 10 km |
| Feb 21, 1991 | 104 km S of Zhangye, China | M4.5 | 134 km | 33 km |
| May 27, 1996 | 125 km S of Jiuquan, China | M4.4 | 97 km | 33 km |
| Jul 12, 2021 | 77 km WSW of Zhangye, China | M4.4 | 104 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
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