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Weather & Climate in Tonghaikou, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tonghaikou enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 44°F in January while summers reach 84°F in July. The area gets 237 sunny days per year, above the national average. Annual precipitation totals 46.8 inches (wetter than the 38-inch national average). The area receives 2.1 inches of snow annually. The city sits at an elevation of 112 feet.
Temperature
44°F Jan (7°C)
84°F Jul (29°C)
| Annual Average | 62.3°F |
| 15% above US avg | |
| January Average | 44°F (7°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 237 days/yr |
Geography
| Elevation | 112 ft (34 m) |
| Area | 1,458.0 sq mi (3,776.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 30.1971°N, 113.1505°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.1.
| Jul 29, 1993 | 1 km ENE of Xianning, China | M4.1 | 120 km | 10 km |
| Jun 2, 2007 | 19 km W of Jingzhou, China | M4.0 | 113 km | 35 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 44°F (7°C) | 1.3 in | |
| February | 43°F (6°C) | 2.1 in | Coldest |
| March | 50°F (10°C) | 3.6 in | |
| April | 62°F (17°C) | 5.2 in | |
| May | 72°F (22°C) | 6.3 in | |
| June | 78°F (26°C) | 7.2 in | Wettest |
| July | 84°F (29°C) | 5.8 in | Warmest |
| August | 83°F (28°C) | 4.5 in | |
| September | 74°F (24°C) | 3.3 in | |
| October | 65°F (18°C) | 3.2 in | |
| November | 54°F (12°C) | 2.4 in | |
| December | 44°F (7°C) | 1.2 in | Driest |
Tonghaikou has a seasonal temperature swing of 40°F / from 43°F in February to 84°F in July. Total annual precipitation is 46.1 inches, with June being the wettest month (7.2") and December the driest (1.2").