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Weather & Climate in Heyu, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heyu experiences four distinct seasons with an average annual temperature of 51°F (10°C). Winters average 31°F in January while summers reach 69°F in July. The area gets 254 sunny days per year, above the national average. Annual precipitation totals 45.0 inches. The area receives 2.2 inches of snow annually. The city sits at an elevation of 3,225 feet.
Temperature
31°F Jan (-1°C)
69°F Jul (21°C)
| Annual Average | 50.5°F |
| 6% below US avg | |
| January Average | 31°F (-1°C) |
| July Average | 69°F (21°C) |
| Sunny Days | 254 days/yr |
Geography
| Elevation | 3,225 ft (983 m) |
| Area | 67.5 sq mi (174.9 km²) |
| Population Density | 50/sq mi |
| Coordinates | 31.8706°N, 108.9492°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Mar 27, 2008 | 44 km WSW of Shiyan, China | M4.8 | 150 km | 10 km |
| Apr 23, 2003 | 65 km NW of Ankang, China | M4.6 | 141 km | 33 km |
| May 27, 2014 | 93 km SW of Shiyan, China | M4.5 | 119 km | 22 km |
| Jul 14, 1990 | 107 km NE of Wanxian, China | M4.4 | 37 km | 30 km |
| Mar 24, 2008 | 56 km WSW of Shiyan, China | M4.3 | 138 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Tsunami History
2 tsunamis recorded within 500 km. Highest wave on record: 13.1 m (43 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 2008 | WU GORGE, WUSHAN COUNTY | Meteorological | 13.1 m | - | 129 km |
| 2015 | WUSHAN, CHONGQING | Meteorological | 6.2 m | 2 | 126 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 31°F (-1°C) | 0.6 in | Coldest, Driest |
| February | 34°F (1°C) | 0.8 in | |
| March | 41°F (5°C) | 2.0 in | |
| April | 52°F (11°C) | 4.1 in | |
| May | 58°F (15°C) | 5.5 in | |
| June | 65°F (18°C) | 5.7 in | |
| July | 69°F (21°C) | 7.4 in | Warmest, Wettest |
| August | 69°F (20°C) | 5.8 in | |
| September | 61°F (16°C) | 6.5 in | |
| October | 52°F (11°C) | 4.0 in | |
| November | 42°F (6°C) | 1.8 in | |
| December | 34°F (1°C) | 0.8 in |
Heyu has a seasonal temperature swing of 38°F / from 31°F in January to 69°F in July. Total annual precipitation is 45.0 inches, with July being the wettest month (7.4") and January the driest (0.6").