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Nanhai, China

Full City Profile

36 ft Elevation 11 meters
74°F Avg Temperature 23°C
Nanhai has a warm climate with an average annual temperature of 74°F (23°C). Winters average 61°F in January while summers reach 84°F in July. The area gets 272 sunny days per year. Annual precipitation totals 89.4 inches. The area receives 0.0 inches of snow annually.

Temperature

61°F Jan (16°C) 84°F Jul (29°C)
Annual Average73.7°F
36% above US avg
January Average61°F (16°C)
July Average84°F (29°C)
Sunny Days272 days/yr

Geography

Elevation36 ft (11 m)
Area4,412.0 sq mi (11,427.1 km²)
Population Density0/sq mi
Coordinates21.4725°N, 111.0268°W
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 89.4"
135% above US avg
Snowfall 0.0"
Wettest Month (Aug) 12.10"
Driest Month (Dec) 0.90"

Air Quality

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M4.4. Most recent: M4.4 on Sep 16, 2004.

Sep 16, 2004 44 km WSW of Yangjiang, China M4.4 63 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

60 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Ragasa (2025).

Year Name Category Closest
2025 Ragasa Category 3 37 km
2025 Matmo Category 2 93 km
2025 Tapah Category 1 167 km
2025 Wipha Category 1 228 km
2025 Wutip Category 1 239 km
2024 Yagi Category 5 176 km
2023 Saola Category 3 124 km
2023 Koinu Category 2 267 km
2023 Talim Category 1 33 km
2022 Chaba Category 1 4 km
2021 Cempaka Category 1 88 km
2018 Mangkhut Category 1 92 km
2017 Hato Category 3 146 km
2017 Khanun Category 2 77 km
2016 Sarika Category 1 299 km
2015 Mujigae Category 4 64 km
2014 Rammasun Category 5 151 km
2014 Kalmaegi Category 1 148 km
2013 Utor Category 3 65 km
2013 Rumbia Category 1 153 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Nearby Volcanoes

1 volcano within 200 km. Closest: Hainan Volcanic Field (193 km).

Name Type Elevation Last Eruption Distance
Hainan Volcanic Field Pyroclastic cone(s) 196 m (643 ft) 1933 193 km
Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 61°F (16°C) 1.3 in Coldest
February 62°F (17°C) 2.1 in
March 67°F (20°C) 2.6 in
April 74°F (24°C) 7.0 in
May 80°F (27°C) 11.1 in
June 83°F (28°C) 12.0 in
July 84°F (29°C) 9.6 in Warmest
August 83°F (28°C) 12.1 in Wettest
September 81°F (27°C) 7.5 in
October 77°F (25°C) 4.2 in
November 70°F (21°C) 1.8 in
December 63°F (17°C) 0.9 in Driest

Nanhai has a seasonal temperature swing of 23°F / from 61°F in January to 84°F in July. Total annual precipitation is 72.2 inches, with August being the wettest month (12.1") and December the driest (0.9").

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