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Weather & Climate in Jiangwan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Jiangwan enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 50°F in January while summers reach 84°F in July. The area gets 244 sunny days per year, above the national average. Annual precipitation totals 96.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 653 feet.
Temperature
50°F Jan (10°C)
84°F Jul (29°C)
| Annual Average | 69.5°F |
| 29% above US avg | |
| January Average | 50°F (10°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 244 days/yr |
Geography
| Elevation | 653 ft (199 m) |
| Area | 94.2 sq mi (244.1 km²) |
| Population Density | 50/sq mi |
| Coordinates | 24.6268°N, 113.2281°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Jul 8, 2016 | 11 km E of Chenzhou, China | M4.4 | 131 km | 10 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 142 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 148 km | 10 km |
| Jun 23, 2025 | 13 km N of Qingyuan, China | M4.0 | 92 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
18 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2023 | Saola | Category 4 | 109 mph | 293 km |
| 2017 | Hato | Category 2 | 86 mph | 272 km |
| 2016 | Nida | Category 1 | 58 mph | 246 km |
| 2013 | Usagi | Category 2 | 92 mph | 229 km |
| 2012 | Vicente | Category 3 | 69 mph | 269 km |
| 2003 | Dujuan | Category 2 | 69 mph | 230 km |
| 2001 | Utor | Category 1 | 52 mph | 259 km |
| 1999 | Sam | Category 1 | 63 mph | 239 km |
| 1999 | York | Category 1 | 63 mph | 263 km |
| 1999 | Maggie | Category 1 | 52 mph | 262 km |
| 1997 | Victor | Category 1 | 69 mph | 274 km |
| 1995 | Kent | Category 3 | 81 mph | 146 km |
| 1995 | Helen | Category 1 | 52 mph | 280 km |
| 1993 | Abe | Category 1 | 52 mph | 236 km |
| 1991 | Brendan | Category 1 | 63 mph | 292 km |
| 1991 | Amy | Category 1 | 69 mph | 290 km |
| 1985 | Hal | Category 2 | 69 mph | 286 km |
| 1983 | Ellen | Category 1 | 86 mph | 282 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 50°F (10°C) | 1.7 in | Coldest |
| February | 55°F (13°C) | 3.5 in | |
| March | 60°F (16°C) | 5.4 in | |
| April | 70°F (21°C) | 8.3 in | |
| May | 77°F (25°C) | 10.6 in | Wettest |
| June | 81°F (27°C) | 10.6 in | |
| July | 84°F (29°C) | 6.3 in | Warmest |
| August | 84°F (29°C) | 7.4 in | |
| September | 80°F (27°C) | 4.0 in | |
| October | 73°F (23°C) | 2.6 in | |
| November | 64°F (18°C) | 1.5 in | |
| December | 55°F (13°C) | 1.4 in | Driest |
Jiangwan has a seasonal temperature swing of 34°F / from 50°F in January to 84°F in July. Total annual precipitation is 63.3 inches, with May being the wettest month (10.6") and December the driest (1.4").