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Weather & Climate in Gangnan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gangnan has a warm climate with an average annual temperature of 71°F (22°C). Winters average 56°F in January while summers reach 84°F in July. The area gets 243 sunny days per year, above the national average. Annual precipitation totals 86.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 161 feet.
Temperature
56°F Jan (13°C)
84°F Jul (29°C)
| Annual Average | 71.3°F |
| 32% above US avg | |
| January Average | 56°F (13°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 243 days/yr |
Geography
| Elevation | 161 ft (49 m) |
| Area | 4,093.6 sq mi (10,602.4 km²) |
| Population Density | 0/sq mi |
| Coordinates | 23.0768°N, 109.5965°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
1 earthquake (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Jul 30, 2017 | 67 km WNW of Laibin, China | M4.4 | 132 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
28 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Matmo | Category 2 | — | 165 km |
| 2025 | Ragasa | Category 2 | — | 210 km |
| 2023 | Talim | Category 1 | 69 mph | 178 km |
| 2022 | Chaba | Category 1 | 81 mph | 227 km |
| 2021 | Cempaka | Category 1 | 81 mph | 267 km |
| 2018 | Mangkhut | Category 1 | 75 mph | 134 km |
| 2017 | Hato | Category 1 | — | 245 km |
| 2015 | Mujigae | Category 4 | 98 mph | 83 km |
| 2014 | Rammasun | Category 4 | 81 mph | 195 km |
| 2014 | Kalmaegi | Category 1 | 86 mph | 261 km |
| 2013 | Utor | Category 2 | 81 mph | 174 km |
| 2012 | Vicente | Category 2 | 69 mph | 189 km |
| 2012 | Kai-tak | Category 1 | 75 mph | 222 km |
| 2010 | Chanthu | Category 1 | 81 mph | 208 km |
| 2008 | Hagupit | Category 4 | 86 mph | 145 km |
| 2006 | Prapiroon | Category 1 | 75 mph | 263 km |
| 2003 | Krovanh | Category 2 | 75 mph | 247 km |
| 2003 | Imbudo | Category 2 | 75 mph | 65 km |
| 2001 | Yutu | Category 1 | 58 mph | 209 km |
| 2001 | Durian | Category 1 | 69 mph | 174 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 56°F (13°C) | 1.7 in | Coldest |
| February | 57°F (14°C) | 2.9 in | |
| March | 64°F (18°C) | 2.8 in | |
| April | 72°F (22°C) | 5.6 in | |
| May | 79°F (26°C) | 9.8 in | Wettest |
| June | 82°F (28°C) | 9.7 in | |
| July | 84°F (29°C) | 8.1 in | Warmest |
| August | 83°F (28°C) | 9.2 in | |
| September | 81°F (27°C) | 4.8 in | |
| October | 75°F (24°C) | 2.5 in | |
| November | 66°F (19°C) | 1.5 in | |
| December | 59°F (15°C) | 1.3 in | Driest |
Gangnan has a seasonal temperature swing of 28°F / from 56°F in January to 84°F in July. Total annual precipitation is 59.9 inches, with May being the wettest month (9.8") and December the driest (1.3").