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Weather & Climate in Shiwan, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Shiwan has a warm climate with an average annual temperature of 72°F (22°C). Winters average 57°F in January while summers reach 84°F in July. The area gets 214 sunny days per year. Annual precipitation totals 67.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 66 feet.
Temperature
57°F Jan (14°C)
84°F Jul (29°C)
| Annual Average | 72.3°F |
| 34% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 214 days/yr |
Geography
| Elevation | 66 ft (20 m) |
| Area | 7.8 sq mi (20.1 km²) |
| Population Density | 10,557/sq mi |
| Coordinates | 23.0011°N, 113.0770°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.2.
| Sep 26, 1997 | 4 km NNW of Sanshui, China | M4.2 | 30 km | 33 km |
| Jun 23, 2025 | 13 km N of Qingyuan, China | M4.0 | 91 km | 10 km |
| Jan 4, 2020 | 14 km SW of Tai O, Hong Kong | M3.8 | 116 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990-2025). Sorted by magnitude.
Hurricane History
45 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 4 | - | 163 km |
| 2025 | Tapah | Category 1 | - | 142 km |
| 2025 | Wipha | Category 1 | - | 134 km |
| 2023 | Saola | Category 4 | 109 mph | 120 km |
| 2023 | Koinu | Category 3 | 98 mph | 154 km |
| 2023 | Talim | Category 1 | 69 mph | 273 km |
| 2022 | Chaba | Category 1 | 81 mph | 271 km |
| 2021 | Cempaka | Category 1 | 81 mph | 180 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 132 km |
| 2017 | Hato | Category 3 | 86 mph | 91 km |
| 2017 | Khanun | Category 2 | 81 mph | 261 km |
| 2016 | Haima | Category 1 | 69 mph | 235 km |
| 2016 | Nida | Category 1 | 58 mph | 124 km |
| 2013 | Utor | Category 2 | 81 mph | 191 km |
| 2013 | Usagi | Category 1 | 92 mph | 156 km |
| 2012 | Vicente | Category 4 | 92 mph | 112 km |
| 2009 | Koppu | Category 1 | 75 mph | 153 km |
| 2008 | Hagupit | Category 4 | 104 mph | 217 km |
| 2006 | Prapiroon | Category 1 | 75 mph | 233 km |
| 2003 | Dujuan | Category 2 | 69 mph | 68 km |
Source: NOAA IBTrACS (Category 1+, 1980-2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 57°F (14°C) | 1.7 in | Coldest |
| February | 59°F (15°C) | 2.6 in | |
| March | 65°F (18°C) | 3.9 in | |
| April | 73°F (23°C) | 7.4 in | |
| May | 79°F (26°C) | 11.1 in | Wettest |
| June | 83°F (28°C) | 10.6 in | |
| July | 84°F (29°C) | 9.1 in | Warmest |
| August | 84°F (29°C) | 9.3 in | |
| September | 82°F (28°C) | 5.8 in | |
| October | 76°F (25°C) | 3.0 in | |
| November | 68°F (20°C) | 1.6 in | |
| December | 60°F (16°C) | 1.4 in | Driest |
Shiwan has a seasonal temperature swing of 28°F / from 57°F in January to 84°F in July. Total annual precipitation is 67.4 inches, with May being the wettest month (11.1") and December the driest (1.4").