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Weather & Climate in Sanjiaocheng, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sanjiaocheng has a cool climate with an average annual temperature of 33°F (1°C). Winters average 9°F in January while summers reach 54°F in July. The area gets 305 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 17.3 inches (drier than the 38-inch national average). The area receives 1.4 inches of snow annually. The city sits at an elevation of 9,849 feet.
Temperature
9°F Jan (-13°C)
54°F Jul (12°C)
| Annual Average | 33.4°F |
| 38% below US avg | |
| January Average | 9°F (-13°C) |
| July Average | 54°F (12°C) |
| Sunny Days | 305 days/yr |
Geography
| Elevation | 9,849 ft (3,002 m) |
| Area | 254.7 sq mi (659.6 km²) |
| Population Density | 44/sq mi |
| Coordinates | 36.8908°N, 100.9997°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
92 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.6.
| Jan 7, 2022 | northern Qinghai, China | M6.6 | 107 km | 13 km |
| Apr 26, 1990 | 153 km WSW of Xining, China | M6.5 | 121 km | 8 km |
| Apr 26, 1990 | 141 km WSW of Xining, China | M6.3 | 98 km | 10 km |
| Apr 26, 1990 | 148 km WSW of Xining, China | M6.3 | 115 km | 10 km |
| Jan 20, 2016 | 91 km WSW of Wuwei, China | M5.9 | 104 km | 9 km |
| Jan 3, 1994 | 162 km WSW of Xining, China | M5.7 | 125 km | 8 km |
| Feb 15, 1994 | 154 km WSW of Xining, China | M5.6 | 115 km | 20 km |
| Sep 20, 1991 | 159 km WSW of Xining, China | M5.5 | 114 km | 13 km |
| Sep 30, 1991 | 111 km SW of Jinchang, China | M5.3 | 101 km | 20 km |
| May 7, 1990 | 143 km WSW of Xining, China | M5.3 | 112 km | 33 km |
| Sep 23, 1994 | 158 km WSW of Xining, China | M5.3 | 121 km | 33 km |
| May 15, 1990 | 157 km WSW of Xining, China | M5.3 | 117 km | 14 km |
| Aug 13, 2016 | 98 km WSW of Wuwei, China | M5.2 | 104 km | 21 km |
| Jan 7, 2022 | 118 km SW of Jinchang, China | M5.2 | 103 km | 10 km |
| Sep 4, 1994 | 168 km WSW of Xining, China | M5.2 | 134 km | 11 km |
| Jan 7, 2022 | 125 km SW of Jinchang, China | M5.1 | 97 km | 10 km |
| Jan 12, 2022 | 111 km WSW of Wuwei, China | M5.1 | 95 km | 10 km |
| Jul 9, 1995 | 167 km WSW of Xining, China | M5.1 | 131 km | 33 km |
| Oct 10, 1994 | 156 km WSW of Xining, China | M5.1 | 119 km | 33 km |
| Mar 30, 2008 | 70 km W of Wuwei, China | M5.1 | 129 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 9°F (-13°C) | 0.0 in | Coldest, Driest |
| February | 16°F (-9°C) | 0.1 in | |
| March | 26°F (-3°C) | 0.3 in | |
| April | 36°F (2°C) | 0.8 in | |
| May | 44°F (7°C) | 2.0 in | |
| June | 50°F (10°C) | 3.1 in | |
| July | 54°F (12°C) | 3.9 in | Warmest, Wettest |
| August | 52°F (11°C) | 3.6 in | |
| September | 45°F (7°C) | 2.6 in | |
| October | 35°F (1°C) | 0.8 in | |
| November | 22°F (-6°C) | 0.1 in | |
| December | 13°F (-11°C) | 0.0 in |
Sanjiaocheng has a seasonal temperature swing of 44°F / from 9°F in January to 54°F in July. Total annual precipitation is 17.3 inches, with July being the wettest month (3.9") and January the driest (0.0").