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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 60°F (16°C). Winters average 39°F in January while summers reach 82°F in July. The area gets 248 sunny days per year, above the national average. Annual precipitation totals 52.2 inches (wetter than the 38-inch national average). The area receives 3.4 inches of snow annually. The city sits at an elevation of 33 feet.
Temperature
39°F Jan (4°C)
82°F Jul (28°C)
| Annual Average | 60.4°F |
| 12% above US avg | |
| January Average | 39°F (4°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 248 days/yr |
Geography
| Elevation | 33 ft (10 m) |
| Area | 34.0 sq mi (88.0 km²) |
| Population Density | 0/sq mi |
| Coordinates | 32.1681°N, 119.0493°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.9.
| Sep 18, 2024 | 29 km E of Hefei, China | M4.9 | 141 km | 10 km |
| Jul 20, 2012 | 22 km W of Xinghua, China | M4.9 | 104 km | 10 km |
| Jul 25, 2006 | 55 km ESE of Datong, China | M4.4 | 141 km | 10 km |
| Sep 13, 2024 | 35 km NW of Chaohu, China | M4.2 | 136 km | 10 km |
| Jul 8, 2024 | 19 km WNW of Taizhou, China | M4.1 | 77 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
8 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 1.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 75 mph | 222 km |
| 2022 | Muifa | Category 1 | 75 mph | 273 km |
| 2012 | Damrey | Category 1 | 81 mph | 278 km |
| 2005 | Khanun | Category 1 | 58 mph | 220 km |
| 1994 | Ellie | Category 1 | 58 mph | 299 km |
| 1990 | Abe | Category 1 | 58 mph | 216 km |
| 1985 | Mamie | Category 1 | 69 mph | 188 km |
| 1984 | Ed | Category 1 | — | 299 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1930 | JIANGSU PROVINCE | Earthquake | — | — | 33 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 39°F (4°C) | 1.2 in | Coldest |
| February | 40°F (4°C) | 1.8 in | |
| March | 47°F (8°C) | 2.7 in | |
| April | 59°F (15°C) | 3.4 in | |
| May | 69°F (20°C) | 3.6 in | |
| June | 76°F (25°C) | 6.0 in | |
| July | 82°F (28°C) | 7.8 in | Warmest, Wettest |
| August | 82°F (28°C) | 4.8 in | |
| September | 73°F (23°C) | 4.0 in | |
| October | 64°F (18°C) | 2.1 in | |
| November | 52°F (11°C) | 2.0 in | |
| December | 41°F (5°C) | 1.1 in | Driest |
Longtan has a seasonal temperature swing of 43°F / from 39°F in January to 82°F in July. Total annual precipitation is 40.5 inches, with July being the wettest month (7.8") and December the driest (1.1").