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Weather & Climate in Longtan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longtan enjoys a temperate climate with an average annual temperature of 58°F (14°C). Winters average 37°F in January while summers reach 77°F in July. The area gets 232 sunny days per year, above the national average. Annual precipitation totals 57.2 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,608 feet.
Temperature
37°F Jan (3°C)
77°F Jul (25°C)
| Annual Average | 58.0°F |
| 7% above US avg | |
| January Average | 37°F (3°C) |
| July Average | 77°F (25°C) |
| Sunny Days | 232 days/yr |
Geography
| Elevation | 1,608 ft (490 m) |
| Area | 1,121.2 sq mi (2,903.8 km²) |
| Population Density | 3/sq mi |
| Coordinates | 27.4114°N, 110.5364°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M3.8.
| Jun 3, 1991 | 6 km S of Xiaoshajiang, China | M3.8 | 22 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 37°F (3°C) | 2.1 in | Coldest |
| February | 40°F (5°C) | 2.8 in | |
| March | 47°F (8°C) | 4.1 in | |
| April | 58°F (15°C) | 7.4 in | |
| May | 66°F (19°C) | 9.0 in | Wettest |
| June | 72°F (22°C) | 8.9 in | |
| July | 77°F (25°C) | 5.4 in | Warmest |
| August | 76°F (25°C) | 5.3 in | |
| September | 69°F (21°C) | 3.5 in | |
| October | 60°F (16°C) | 4.2 in | |
| November | 51°F (10°C) | 2.9 in | |
| December | 42°F (6°C) | 1.6 in | Driest |
Longtan has a seasonal temperature swing of 40°F / from 37°F in January to 77°F in July. Total annual precipitation is 57.2 inches, with May being the wettest month (9.0") and December the driest (1.6").