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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 61°F (16°C). Winters average 43°F in January while summers reach 82°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 64.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 390 feet.
Temperature
43°F Jan (6°C)
82°F Jul (28°C)
| Annual Average | 61.2°F |
| 13% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 390 ft (119 m) |
| Area | 79.3 sq mi (205.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 29.3719°N, 118.0469°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Hurricane History
10 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2019 | Lekima | Category 2 | 69 mph | 248 km |
| 2018 | Maria | Category 1 | — | 291 km |
| 2007 | Wipha | Category 3 | 86 mph | 238 km |
| 2006 | Saomai | Category 4 | 104 mph | 175 km |
| 2005 | Khanun | Category 1 | 75 mph | 251 km |
| 2004 | Rananim | Category 1 | 46 mph | 171 km |
| 2001 | Chebi | Category 1 | — | 299 km |
| 1997 | Winnie | Category 1 | 81 mph | 221 km |
| 1994 | Fred | Category 2 | 58 mph | 163 km |
| 1990 | Abe | Category 1 | 63 mph | 254 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 43°F (6°C) | 2.2 in | Coldest |
| February | 43°F (6°C) | 4.3 in | |
| March | 50°F (10°C) | 6.5 in | |
| April | 61°F (16°C) | 8.4 in | |
| May | 69°F (21°C) | 9.5 in | |
| June | 76°F (24°C) | 11.4 in | Wettest |
| July | 82°F (28°C) | 6.4 in | Warmest |
| August | 81°F (27°C) | 4.7 in | |
| September | 74°F (23°C) | 4.5 in | |
| October | 64°F (18°C) | 3.3 in | |
| November | 53°F (12°C) | 2.6 in | |
| December | 43°F (6°C) | 1.7 in | Driest |
Jiangwan has a seasonal temperature swing of 39°F / from 43°F in January to 82°F in July. Total annual precipitation is 65.5 inches, with June being the wettest month (11.4") and December the driest (1.7").