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Weather & Climate in Guangchen, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Guangchen enjoys a temperate climate with an average annual temperature of 63°F (17°C). Winters average 42°F in January while summers reach 84°F in July. The area gets 247 sunny days per year, above the national average. Annual precipitation totals 55.6 inches (wetter than the 38-inch national average). The area receives 1.4 inches of snow annually. The city sits at an elevation of 30 feet.
Temperature
42°F Jan (5°C)
84°F Jul (29°C)
| Annual Average | 63.4°F |
| 17% above US avg | |
| January Average | 42°F (5°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 247 days/yr |
Geography
| Elevation | 30 ft (9 m) |
| Area | 21.6 sq mi (55.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 30.7522°N, 121.1260°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 | 103 km | 10 km |
| May 25, 2004 | 12 km NE of Shenjiamen, China | M4.0 | 145 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
23 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2024 | Bebinca | Category 1 | 81 mph | 50 km |
| 2022 | Muifa | Category 2 | 92 mph | 74 km |
| 2021 | Chanthu | Category 2 | 98 mph | 208 km |
| 2019 | Lekima | Category 2 | 98 mph | 148 km |
| 2019 | Mitag | Category 1 | 69 mph | 261 km |
| 2015 | Chan-hom | Category 2 | 92 mph | 165 km |
| 2012 | Haikui | Category 1 | 75 mph | 235 km |
| 2005 | Khanun | Category 3 | 86 mph | 84 km |
| 2004 | Rananim | Category 2 | 69 mph | 276 km |
| 2002 | Rammasun | Category 3 | 92 mph | 274 km |
| 2000 | Jelawat | Category 1 | 81 mph | 174 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 189 km |
| 1997 | Winnie | Category 1 | 86 mph | 200 km |
| 1994 | Seth | Category 1 | 69 mph | 279 km |
| 1994 | Ellie | Category 1 | 69 mph | 258 km |
| 1994 | Doug | Category 1 | 81 mph | 217 km |
| 1990 | Abe | Category 2 | 75 mph | 72 km |
| 1986 | Vera | Category 1 | 86 mph | 297 km |
| 1985 | Mamie | Category 1 | 75 mph | 110 km |
| 1985 | Jeff | Category 1 | — | 284 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1991 | AOSHAN | Meteorological | 3.0 m | — | 132 km |
Source: NOAA/NCEI Historical Tsunami Database.