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Weather & Climate in Chengnan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chengnan enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 43°F in January while summers reach 85°F in July. The area gets 242 sunny days per year, above the national average. Annual precipitation totals 56.8 inches (wetter than the 38-inch national average). The city sits at an elevation of 26 feet.
Temperature
43°F Jan (6°C)
85°F Jul (29°C)
| Annual Average | 63.9°F |
| 18% above US avg | |
| January Average | 43°F (6°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 242 days/yr |
Geography
| Elevation | 26 ft (8 m) |
| Area | 3,196.6 sq mi (8,279.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 29.9724°N, 120.5674°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Hurricane History
22 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 | 146 km |
| 2022 | Muifa | Category 2 | 92 mph | 150 km |
| 2021 | Chanthu | Category 2 | 98 mph | 282 km |
| 2020 | Hagupit | Category 1 | 81 mph | 258 km |
| 2019 | Lekima | Category 3 | 104 mph | 53 km |
| 2019 | Mitag | Category 1 | 81 mph | 220 km |
| 2015 | Chan-hom | Category 3 | 98 mph | 185 km |
| 2012 | Haikui | Category 1 | 75 mph | 206 km |
| 2007 | Wipha | Category 2 | 69 mph | 256 km |
| 2005 | Khanun | Category 3 | 92 mph | 9 km |
| 2005 | Matsa | Category 1 | 81 mph | 241 km |
| 2004 | Rananim | Category 2 | 92 mph | 186 km |
| 2000 | Prapiroon | Category 1 | 81 mph | 244 km |
| 2000 | Jelawat | Category 1 | 75 mph | 141 km |
| 1997 | Winnie | Category 1 | 86 mph | 100 km |
| 1994 | Fred | Category 2 | 86 mph | 214 km |
| 1994 | Doug | Category 2 | 86 mph | 246 km |
| 1990 | Abe | Category 2 | 81 mph | 9 km |
| 1985 | Mamie | Category 1 | 75 mph | 210 km |
| 1985 | Jeff | Category 1 | 75 mph | 206 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).