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Heyan, China
Full City Profile
19,589
Population
8/sq mi density
2,159 ft
Elevation
658 meters
55°F
Avg Temperature
13°C
Heyan experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 36°F in January while summers reach 74°F in July. The area gets 247 sunny days per year. Annual precipitation totals 49.2 inches. The area receives 0.0 inches of snow annually.
Temperature
36°F Jan (2°C)
74°F Jul (23°C)
| Annual Average | 55.3°F |
| 2% above US avg | |
| January Average | 36°F (2°C) |
| July Average | 74°F (23°C) |
| Sunny Days | 247 days/yr |
Geography
| Elevation | 2,159 ft (658 m) |
| Area | 2,322.2 sq mi (6,014.5 km²) |
| Population Density | 8/sq mi |
| Coordinates | 31.3564°N, 108.6705°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
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 | — | 123 km |
| 2015 | WUSHAN, CHONGQING | Meteorological | 6.2 m | 2 | 121 km |
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 36°F (2°C) | 0.8 in | Coldest, Driest |
| February | 39°F (4°C) | 0.9 in | |
| March | 46°F (8°C) | 2.1 in | |
| April | 56°F (13°C) | 4.5 in | |
| May | 63°F (17°C) | 6.1 in | |
| June | 69°F (21°C) | 6.5 in | |
| July | 74°F (23°C) | 8.0 in | Wettest |
| August | 74°F (23°C) | 6.0 in | Warmest |
| September | 65°F (19°C) | 6.9 in | |
| October | 56°F (14°C) | 4.4 in | |
| November | 47°F (8°C) | 2.1 in | |
| December | 39°F (4°C) | 0.9 in |
Heyan has a seasonal temperature swing of 38°F / from 36°F in January to 74°F in August. Total annual precipitation is 49.2 inches, with July being the wettest month (8.0") and January the driest (0.8").