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Weather & Climate in Heshan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Heshan experiences four distinct seasons with an average annual temperature of 55°F (13°C). Winters average 30°F in January while summers reach 77°F in July. The area gets 278 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 31.9 inches. The area receives 1.4 inches of snow annually. The city sits at an elevation of 98 feet.
Temperature
30°F Jan (-1°C)
77°F Jul (25°C)
| Annual Average | 55.0°F |
| 2% above US avg | |
| January Average | 30°F (-1°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 98 ft (30 m) |
| Area | 1,760.6 sq mi (4,560.0 km²) |
| Population Density | 16/sq mi |
| Coordinates | 35.5234°N, 119.5101°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.1.
| Sep 20, 1995 | 9 km NNE of Bianzhuang, China | M5.1 | 145 km | 18 km |
| Jan 22, 1992 | 97 km SSE of Qingshancun, China | M5.1 | 146 km | 33 km |
| May 27, 2004 | 119 km ESE of Rizhao, China | M4.6 | 120 km | 10 km |
| Apr 9, 2000 | 77 km E of Xinpu, China | M4.1 | 103 km | 33 km |
| Mar 19, 2024 | 82 km NE of Dongkan, China | M4.0 | 142 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2012 | Damrey | Category 1 | 81 mph | 149 km |
| 1994 | Ellie | Category 1 | 58 mph | 276 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1668 | TANCHENG, SHANDONG PROVINCE | Earthquake | — | 42,578 | 86 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 30°F (-1°C) | 0.4 in | Coldest |
| February | 34°F (1°C) | 0.6 in | |
| March | 42°F (6°C) | 0.9 in | |
| April | 54°F (12°C) | 1.7 in | |
| May | 63°F (17°C) | 2.1 in | |
| June | 71°F (22°C) | 3.9 in | |
| July | 77°F (25°C) | 8.4 in | Wettest |
| August | 78°F (25°C) | 6.7 in | Warmest |
| September | 70°F (21°C) | 3.9 in | |
| October | 60°F (16°C) | 1.9 in | |
| November | 47°F (8°C) | 1.1 in | |
| December | 35°F (2°C) | 0.4 in | Driest |
Heshan has a seasonal temperature swing of 47°F / from 30°F in January to 78°F in August. Total annual precipitation is 31.9 inches, with July being the wettest month (8.4") and December the driest (0.4").