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Weather & Climate in Yamen, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Yamen has a warm climate with an average annual temperature of 74°F (23°C). Winters average 59°F in January while summers reach 84°F in July. The area gets 259 sunny days per year, above the national average. Annual precipitation totals 82.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 16 feet.
Temperature
59°F Jan (15°C)
84°F Jul (29°C)
| Annual Average | 73.8°F |
| 37% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 259 days/yr |
Geography
| Elevation | 16 ft (5 m) |
| Area | 237.0 sq mi (613.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 22.2994°N, 113.0485°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
2 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 | 101 km | 33 km |
| Jan 4, 2020 | 14 km SW of Tai O, Hong Kong | M3.8 | 74 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
57 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 4 | — | 91 km |
| 2025 | Matmo | Category 2 | — | 270 km |
| 2025 | Tapah | Category 1 | — | 72 km |
| 2025 | Wipha | Category 1 | — | 58 km |
| 2023 | Saola | Category 4 | 109 mph | 45 km |
| 2023 | Koinu | Category 3 | 98 mph | 88 km |
| 2023 | Talim | Category 1 | 69 mph | 203 km |
| 2022 | Chaba | Category 1 | 81 mph | 223 km |
| 2021 | Cempaka | Category 1 | 81 mph | 117 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 58 km |
| 2017 | Hato | Category 3 | 86 mph | 19 km |
| 2017 | Khanun | Category 2 | 86 mph | 184 km |
| 2016 | Nida | Category 1 | 58 mph | 123 km |
| 2016 | Haima | Category 1 | 69 mph | 233 km |
| 2015 | Mujigae | Category 4 | 98 mph | 256 km |
| 2013 | Krosa | Category 3 | 86 mph | 263 km |
| 2013 | Utor | Category 2 | 81 mph | 133 km |
| 2013 | Usagi | Category 1 | 92 mph | 177 km |
| 2012 | Vicente | Category 4 | 92 mph | 42 km |
| 2012 | Kai-tak | Category 1 | 75 mph | 233 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).