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Weather & Climate in Hengshan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Hengshan enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 42°F in January while summers reach 84°F in July. The area gets 249 sunny days per year, above the national average. Annual precipitation totals 53.6 inches (wetter than the 38-inch national average). The area receives 4.5 inches of snow annually. The city sits at an elevation of 23 feet.
Temperature
42°F Jan (5°C)
84°F Jul (29°C)
| Annual Average | 63.5°F |
| 18% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 23 ft (7 m) |
| Area | 41.1 sq mi (106.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 31.0185°N, 120.5356°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (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 | 87 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
17 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 | 57 km |
| 2022 | Muifa | Category 2 | 92 mph | 113 km |
| 2021 | Chanthu | Category 2 | 98 mph | 264 km |
| 2019 | Lekima | Category 2 | 69 mph | 169 km |
| 2015 | Chan-hom | Category 1 | 92 mph | 227 km |
| 2012 | Haikui | Category 1 | 75 mph | 291 km |
| 2005 | Khanun | Category 2 | 75 mph | 62 km |
| 2004 | Rananim | Category 1 | — | 297 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 247 km |
| 2000 | Jelawat | Category 1 | 75 mph | 227 km |
| 1997 | Winnie | Category 1 | 81 mph | 215 km |
| 1994 | Ellie | Category 1 | 69 mph | 267 km |
| 1994 | Doug | Category 1 | 75 mph | 278 km |
| 1990 | Abe | Category 2 | 75 mph | 48 km |
| 1985 | Mamie | Category 1 | 75 mph | 141 km |
| 1984 | Ed | Category 1 | 58 mph | 186 km |
| 1981 | Agnes | Category 2 | 92 mph | 254 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).