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Weather & Climate in Hainan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hainan has a cool climate with an average annual temperature of 39°F (4°C). Winters average -3°F in January while summers reach 72°F in July / a wide seasonal temperature swing of 75°F. The area gets 304 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 32.0 inches. The area receives 16.9 inches of snow annually, a moderate snowfall amount. The city sits at an elevation of 774 feet.
Temperature
-3°F Jan (-20°C)
72°F Jul (22°C)
| Annual Average | 39.3°F |
| 27% below US avg | |
| January Average | -3°F (-20°C) |
| July Average | 72°F (22°C) |
| Sunny Days | 304 days/yr |
Geography
| Elevation | 774 ft (236 m) |
| Area | 65.4 sq mi (169.3 km²) |
| Population Density | 0/sq mi |
| Coordinates | 47.2322°N, 126.9809°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| May 10, 2009 | 25 km NNE of Daqing, China | M4.5 | 149 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Nearby Volcanoes
1 volcano within 200 km. Closest: Wudalianchi (177 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Wudalianchi | Volcanic field | 597 m (1,959 ft) | 1776 | 177 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).