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Weather & Climate in Mashan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Mashan enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 40°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 50.1 inches (wetter than the 38-inch national average). The area receives 4.3 inches of snow annually. The city sits at an elevation of 7 feet.
Temperature
40°F Jan (5°C)
84°F Jul (29°C)
| Annual Average | 62.9°F |
| 16% above US avg | |
| January Average | 40°F (5°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 249 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 1,786.7 sq mi (4,627.5 km²) |
| Population Density | 0/sq mi |
| Coordinates | 31.4722°N, 120.1240°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 | 89 km | 10 km |
| Jul 8, 2024 | 19 km WNW of Taizhou, China | M4.1 | 128 km | 9 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
13 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 | 98 km |
| 2022 | Muifa | Category 2 | 92 mph | 153 km |
| 2019 | Lekima | Category 1 | 69 mph | 224 km |
| 2015 | Chan-hom | Category 1 | 86 mph | 282 km |
| 2005 | Khanun | Category 2 | 75 mph | 109 km |
| 2000 | Jelawat | Category 1 | 58 mph | 290 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 296 km |
| 1997 | Winnie | Category 1 | 81 mph | 264 km |
| 1994 | Ellie | Category 1 | 63 mph | 259 km |
| 1990 | Abe | Category 2 | 63 mph | 101 km |
| 1985 | Mamie | Category 1 | 75 mph | 145 km |
| 1984 | Ed | Category 1 | 58 mph | 202 km |
| 1981 | Agnes | Category 2 | 92 mph | 295 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 | — | — | 106 km |
Source: NOAA/NCEI Historical Tsunami Database.