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Weather & Climate in Longcheng, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longcheng experiences four distinct seasons with an average annual temperature of 47°F (8°C). Winters average 23°F in January while summers reach 68°F in July. The area gets 295 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 22.5 inches (drier than the 38-inch national average). The city sits at an elevation of 4,911 feet.
Temperature
23°F Jan (-5°C)
68°F Jul (20°C)
| Annual Average | 46.8°F |
| 13% below US avg | |
| January Average | 23°F (-5°C) |
| July Average | 68°F (20°C) |
| Sunny Days | 295 days/yr |
Geography
| Elevation | 4,911 ft (1,497 m) |
| Area | 36.5 sq mi (94.5 km²) |
| Population Density | 686/sq mi |
| Coordinates | 35.0010°N, 105.9734°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
23 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Jul 19, 2015 | 96 km SE of Lanzhou, China | M4.6 | 135 km | 45 km |
| Aug 1, 1992 | 39 km NW of Mawu, China | M4.3 | 131 km | 10 km |
| Jan 5, 1997 | Gansu-Ningxia border region, China | M4.3 | 101 km | 33 km |
| Jan 17, 2016 | 21 km SSW of Mawu, China | M4.2 | 134 km | 15 km |
| Apr 6, 2008 | 81 km NNW of Pingliang, China | M4.2 | 137 km | 10 km |
| Jul 13, 2022 | 84 km NW of Pingliang, China | M4.2 | 118 km | 10 km |
| Apr 9, 2015 | 18 km NW of Tianshui, China | M4.2 | 51 km | 15 km |
| Nov 27, 1993 | 107 km WNW of Pingliang, China | M4.2 | 101 km | 33 km |
| May 21, 2025 | 20 km W of Qiushan, China | M4.2 | 139 km | 10 km |
| May 25, 1991 | 38 km NNE of Mawu, China | M4.0 | 82 km | 33 km |
| May 7, 2016 | 54 km NNW of Mawu, China | M4.0 | 115 km | 13 km |
| Apr 23, 2016 | 29 km WNW of Pingliang, China | M4.0 | 85 km | 15 km |
| Nov 29, 1992 | 35 km SSW of Pingliang, China | M4.0 | 56 km | 33 km |
| Aug 1, 1995 | 5 km SSW of Pingliang, China | M3.9 | 83 km | 10 km |
| Jan 17, 1993 | 35 km NNE of Mawu, China | M3.8 | 86 km | 10 km |
| Nov 6, 1991 | Gansu-Ningxia border region, China | M3.8 | 138 km | 10 km |
| May 29, 1996 | 86 km S of Beidao, China | M3.7 | 135 km | 33 km |
| Dec 25, 1992 | 46 km N of Mawu, China | M3.6 | 101 km | 33 km |
| Feb 2, 1991 | 41 km N of Mawu, China | M3.5 | 106 km | 10 km |
| Jan 23, 1992 | 97 km NNW of Pingliang, China | M3.5 | 142 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 23°F (-5°C) | 0.2 in | Coldest |
| February | 29°F (-2°C) | 0.3 in | |
| March | 38°F (3°C) | 0.7 in | |
| April | 49°F (10°C) | 1.7 in | |
| May | 57°F (14°C) | 2.5 in | |
| June | 64°F (18°C) | 2.6 in | |
| July | 68°F (20°C) | 4.1 in | Warmest, Wettest |
| August | 66°F (19°C) | 4.1 in | |
| September | 57°F (14°C) | 3.7 in | |
| October | 47°F (8°C) | 1.9 in | |
| November | 36°F (2°C) | 0.6 in | |
| December | 27°F (-3°C) | 0.2 in | Driest |
Longcheng has a seasonal temperature swing of 45°F / from 23°F in January to 68°F in July. Total annual precipitation is 22.5 inches, with July being the wettest month (4.1") and December the driest (0.2").