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Weather & Climate in Nanhai, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Nanhai enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 54°F in January while summers reach 85°F in July. The area gets 272 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 46.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 10 feet.
Temperature
54°F Jan (12°C)
85°F Jul (29°C)
| Annual Average | 69.9°F |
| 29% above US avg | |
| January Average | 54°F (12°C) |
| July Average | 85°F (29°C) |
| Sunny Days | 272 days/yr |
Geography
| Elevation | 10 ft (3 m) |
| Area | 733.2 sq mi (1,898.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 25.3757°N, 119.7179°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
29 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.8.
| Apr 20, 1992 | 30 km N of Taichung, Taiwan | M4.8 | 146 km | 16 km |
| Aug 31, 2012 | 11 km S of Hsinchu, Taiwan | M4.8 | 146 km | 16 km |
| Oct 28, 2013 | 75 km N of Magong, Taiwan | M4.6 | 126 km | 18 km |
| May 11, 2015 | 55 km NNW of Taichung, Taiwan | M4.6 | 112 km | 16 km |
| May 1, 1992 | 38 km SSW of Hsinchu, Taiwan | M4.5 | 146 km | 33 km |
| May 11, 2015 | 49 km NNW of Taichung, Taiwan | M4.5 | 119 km | 5 km |
| Mar 6, 2008 | 6 km ENE of Meipu, China | M4.5 | 122 km | 35 km |
| Feb 18, 1992 | 70 km SE of Jiangkou, China | M4.5 | 40 km | 33 km |
| May 1, 2015 | 53 km NNW of Taichung, Taiwan | M4.3 | 115 km | 11 km |
| Jul 20, 1991 | 30 km SW of Hsinchu, Taiwan | M4.3 | 133 km | 33 km |
| Jun 16, 2000 | 22 km WNW of Hsinchu, Taiwan | M4.2 | 119 km | 33 km |
| Aug 22, 2013 | 34 km WNW of Putian, China | M4.1 | 104 km | 15 km |
| Sep 3, 2013 | 31 km WNW of Putian, China | M4.1 | 101 km | 13 km |
| Aug 5, 1999 | 54 km ESE of Dazuocun, China | M4.1 | 79 km | 10 km |
| May 14, 2015 | 53 km NNW of Taichung, Taiwan | M4.1 | 116 km | 5 km |
| Oct 29, 2013 | 31 km WNW of Putian, China | M4.1 | 101 km | 14 km |
| Mar 6, 2008 | 15 km SW of Shuikou, China | M4.1 | 147 km | 35 km |
| May 7, 2015 | 47 km NNW of Taichung, Taiwan | M4.0 | 121 km | 14 km |
| May 8, 1999 | 25 km NNW of Taichung, Taiwan | M3.8 | 144 km | 33 km |
| May 18, 1998 | 34 km WNW of Hsinchu, Taiwan | M3.7 | 107 km | 33 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
75 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Danas | Category 2 | — | 192 km |
| 2025 | Podul | Category 1 | — | 239 km |
| 2024 | Gaemi | Category 4 | 104 mph | 42 km |
| 2024 | Kong-rey | Category 3 | 86 mph | 101 km |
| 2023 | Haikui | Category 3 | 75 mph | 242 km |
| 2023 | Doksuri | Category 2 | 92 mph | 124 km |
| 2021 | Chanthu | Category 3 | 115 mph | 260 km |
| 2020 | Hagupit | Category 1 | 81 mph | 254 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 242 km |
| 2019 | Mitag | Category 2 | 86 mph | 290 km |
| 2018 | Maria | Category 2 | 98 mph | 120 km |
| 2017 | Nesat | Category 2 | 92 mph | 130 km |
| 2016 | Meranti | Category 4 | 98 mph | 179 km |
| 2016 | Megi | Category 3 | 98 mph | 121 km |
| 2016 | Nepartak | Category 1 | 75 mph | 244 km |
| 2015 | Dujuan | Category 4 | 115 mph | 75 km |
| 2015 | Soudelor | Category 3 | 104 mph | 72 km |
| 2014 | Matmo | Category 2 | 69 mph | 33 km |
| 2013 | Fitow | Category 1 | 75 mph | 221 km |
| 2013 | Trami | Category 1 | 69 mph | 38 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
1 tsunami recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1604 | SOUTH CHINA SEA | Earthquake | — | — | 47 km |
Source: NOAA/NCEI Historical Tsunami Database.
Nearby Volcanoes
1 volcano within 200 km. Closest: Tatun Volcanic Group (186 km).
| Name | Type | Elevation | Last Eruption | Distance |
| Tatun Volcanic Group | Lava dome(s) | 1,120 m (3,675 ft) | 648 | 186 km |
Source: Smithsonian Institution Global Volcanism Program (GVP).