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Weather & Climate in Chong’ansi, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chong’ansi enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 40°F in January while summers reach 83°F in July. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 48.8 inches (wetter than the 38-inch national average). The area receives 4.0 inches of snow annually. The city sits at an elevation of 20 feet.
Temperature
40°F Jan (5°C)
83°F Jul (28°C)
| Annual Average | 62.1°F |
| 15% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 250 days/yr |
Geography
| Elevation | 20 ft (6 m) |
| Area | 1,786.7 sq mi (4,627.5 km²) |
| Population Density | 0/sq mi |
| Coordinates | 31.5799°N, 120.2952°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.0.
| Feb 9, 1990 | 27 km E of Changshu City, China | M5.0 | 71 km | 10 km |
| Jul 8, 2024 | 19 km WNW of Taizhou, China | M4.1 | 123 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
14 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 2.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 81 mph | 87 km |
| 2022 | Muifa | Category 1 | 86 mph | 140 km |
| 2021 | Chanthu | Category 1 | 92 mph | 293 km |
| 2019 | Lekima | Category 1 | 69 mph | 233 km |
| 2015 | Chan-hom | Category 1 | 86 mph | 272 km |
| 2005 | Khanun | Category 1 | 75 mph | 120 km |
| 2000 | Jelawat | Category 1 | 58 mph | 292 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 284 km |
| 1997 | Winnie | Category 1 | 81 mph | 276 km |
| 1994 | Ellie | Category 1 | 63 mph | 239 km |
| 1990 | Abe | Category 1 | 63 mph | 109 km |
| 1985 | Mamie | Category 1 | 75 mph | 125 km |
| 1984 | Ed | Category 1 | 58 mph | 184 km |
| 1981 | Agnes | Category 2 | 92 mph | 281 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 | — | — | 109 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 40°F (5°C) | 1.7 in | Coldest |
| February | 40°F (5°C) | 2.2 in | |
| March | 48°F (9°C) | 2.3 in | |
| April | 59°F (15°C) | 3.1 in | |
| May | 68°F (20°C) | 3.8 in | |
| June | 76°F (24°C) | 6.2 in | |
| July | 83°F (28°C) | 6.5 in | Warmest, Wettest |
| August | 82°F (28°C) | 4.9 in | |
| September | 74°F (23°C) | 4.4 in | |
| October | 64°F (18°C) | 1.5 in | Driest |
| November | 53°F (12°C) | 1.6 in | |
| December | 42°F (6°C) | 1.5 in |
Chong’ansi has a seasonal temperature swing of 43°F / from 40°F in January to 83°F in July. Total annual precipitation is 39.7 inches, with July being the wettest month (6.5") and October the driest (1.5").