Weather & Climate in Sanwei, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Sanwei experiences four distinct seasons with an average annual temperature of 53°F (11°C). Winters average 17°F in January while summers reach 80°F in July / a wide seasonal temperature swing of 63°F. The area gets 333 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 1.4 inches (drier than the 38-inch national average). The area receives 2.5 inches of snow annually. The city sits at an elevation of 3,734 feet.
Temperature
17°F Jan (-8°C)
80°F Jul (27°C)
| Annual Average | 52.6°F |
| 3% below US avg | |
| January Average | 17°F (-8°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 333 days/yr |
Geography
| Elevation | 3,734 ft (1,138 m) |
| Area | 10,315.9 sq mi (26,718.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 40.1511°N, 94.7011°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
13 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Jun 12, 1995 | 220 km WSW of Laojunmiao, China | M5.1 | 115 km | 24 km |
| Jun 17, 2018 | 265 km WSW of Laojunmiao, China | M5.0 | 145 km | 10 km |
| Oct 2, 2009 | 147 km WSW of Laojunmiao, China | M5.0 | 138 km | 10 km |
| Jul 12, 1991 | 253 km WSW of Laojunmiao, China | M4.8 | 82 km | 16 km |
| Dec 9, 2013 | Gansu-Qinghai border region, China | M4.7 | 122 km | 21 km |
| Jul 16, 2008 | 194 km WSW of Laojunmiao, China | M4.7 | 110 km | 2 km |
| Jan 30, 2020 | 273 km WSW of Laojunmiao, China | M4.6 | 128 km | 10 km |
| Jun 12, 2004 | 207 km W of Laojunmiao, China | M4.6 | 77 km | 46 km |
| May 26, 1991 | 232 km SSE of Hami, China | M4.5 | 84 km | 33 km |
| Jul 5, 2013 | 229 km WSW of Laojunmiao, China | M4.3 | 91 km | 10 km |
| Mar 7, 1998 | 231 km W of Laojunmiao, China | M4.1 | 81 km | 33 km |
| May 4, 1996 | 237 km WSW of Laojunmiao, China | M4.0 | 94 km | 33 km |
| Mar 12, 2008 | 235 km WSW of Laojunmiao, China | M3.3 | 89 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
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