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Weather & Climate in Gangkou, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Gangkou has a warm climate with an average annual temperature of 72°F (22°C). Winters average 59°F in January while summers reach 83°F in July. The area gets 278 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 91.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 7 feet.
Temperature
59°F Jan (15°C)
83°F Jul (29°C)
| Annual Average | 71.9°F |
| 33% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 278 days/yr |
Geography
| Elevation | 7 ft (2 m) |
| Area | 38.9 sq mi (100.8 km²) |
| Population Density | 0/sq mi |
| Coordinates | 21.6559°N, 108.3743°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Sep 23, 1994 | 49 km W of Móng Cái, Vietnam | M4.6 | 92 km | 33 km |
| Jun 23, 2023 | southeastern China | M4.6 | 105 km | 14 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
38 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Matmo | Category 2 | — | 30 km |
| 2025 | Ragasa | Category 1 | — | 282 km |
| 2025 | Wutip | Category 1 | — | 169 km |
| 2024 | Yagi | Category 4 | 109 mph | 132 km |
| 2023 | Talim | Category 1 | 69 mph | 97 km |
| 2022 | Chaba | Category 1 | 81 mph | 272 km |
| 2018 | Mangkhut | Category 1 | — | 240 km |
| 2016 | Mirinae | Category 1 | 52 mph | 278 km |
| 2015 | Mujigae | Category 4 | 98 mph | 105 km |
| 2014 | Rammasun | Category 4 | 104 mph | 18 km |
| 2014 | Kalmaegi | Category 1 | 86 mph | 64 km |
| 2013 | Haiyan | Category 1 | 75 mph | 133 km |
| 2013 | Utor | Category 1 | — | 278 km |
| 2012 | Son-tinh | Category 2 | 81 mph | 179 km |
| 2012 | Kai-tak | Category 1 | 69 mph | 170 km |
| 2010 | Chanthu | Category 1 | 81 mph | 222 km |
| 2008 | Hagupit | Category 3 | 86 mph | 43 km |
| 2003 | Krovanh | Category 2 | 75 mph | 55 km |
| 2003 | Imbudo | Category 1 | 58 mph | 149 km |
| 2001 | Yutu | Category 1 | 52 mph | 241 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 1.2 in | Coldest, Driest |
| February | 59°F (15°C) | 2.0 in | |
| March | 65°F (18°C) | 2.4 in | |
| April | 73°F (23°C) | 4.1 in | |
| May | 79°F (26°C) | 9.2 in | |
| June | 82°F (28°C) | 13.1 in | |
| July | 83°F (29°C) | 15.0 in | Warmest |
| August | 83°F (28°C) | 15.8 in | Wettest |
| September | 81°F (27°C) | 8.4 in | |
| October | 75°F (24°C) | 4.0 in | |
| November | 67°F (20°C) | 2.2 in | |
| December | 60°F (16°C) | 1.2 in |
Gangkou has a seasonal temperature swing of 25°F / from 59°F in January to 83°F in July. Total annual precipitation is 78.6 inches, with August being the wettest month (15.8") and January the driest (1.2").