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Weather & Climate in Nanmu, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nanmu enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 47°F in January while summers reach 80°F in July. The area gets 263 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 79.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 554 feet.
Temperature
47°F Jan (8°C)
80°F Jul (27°C)
| Annual Average | 65.6°F |
| 21% above US avg | |
| January Average | 47°F (8°C) |
| July Average | 80°F (27°C) |
| Sunny Days | 263 days/yr |
Geography
| Elevation | 554 ft (169 m) |
| Area | 51.3 sq mi (133.0 km²) |
| Population Density | 174/sq mi |
| Coordinates | 25.1619°N, 114.5559°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
5 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Feb 22, 2013 | 27 km NW of Heyuan, China | M4.5 | 143 km | 9 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 131 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 139 km | 10 km |
| Sep 21, 1991 | 23 km WNW of Heyuan, China | M4.2 | 146 km | 33 km |
| Mar 7, 2023 | 24 km NW of Heyuan, China | M4.2 | 144 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
12 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 2016 | Nida | Category 1 | — | 287 km |
| 2013 | Usagi | Category 2 | 92 mph | 240 km |
| 2003 | Dujuan | Category 2 | 69 mph | 285 km |
| 2001 | Utor | Category 1 | 52 mph | 264 km |
| 2000 | Bilis | Category 1 | — | 216 km |
| 1999 | Maggie | Category 2 | 52 mph | 274 km |
| 1999 | Sam | Category 1 | 58 mph | 290 km |
| 1995 | Kent | Category 3 | 81 mph | 233 km |
| 1995 | Helen | Category 1 | 52 mph | 296 km |
| 1993 | Abe | Category 3 | 92 mph | 196 km |
| 1991 | Amy | Category 3 | 92 mph | 224 km |
| 1985 | Hal | Category 1 | 69 mph | 271 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).