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Weather & Climate in Diancheng, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Diancheng has a warm climate with an average annual temperature of 75°F (24°C). Winters average 61°F in January while summers reach 84°F in July. The area gets 279 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 77.0 inches (wetter than the 38-inch national average). The city sits at an elevation of 39 feet.
Temperature
61°F Jan (16°C)
84°F Jul (29°C)
| Annual Average | 74.7°F |
| 38% above US avg | |
| January Average | 61°F (16°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 279 days/yr |
Geography
| Elevation | 39 ft (12 m) |
| Area | 4,412.0 sq mi (11,427.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 21.5167°N, 111.3000°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Sep 16, 2004 | 44 km WSW of Yangjiang, China | M4.4 | 37 km | 10 km |
| Mar 26, 1995 | 108 km SSE of Yangjiang, China | M4.2 | 131 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 5.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 3 | — | 38 km |
| 2025 | Matmo | Category 2 | — | 115 km |
| 2025 | Tapah | Category 1 | — | 138 km |
| 2025 | Wipha | Category 1 | — | 199 km |
| 2025 | Wutip | Category 1 | — | 266 km |
| 2024 | Yagi | Category 5 | 121 mph | 187 km |
| 2023 | Saola | Category 3 | 81 mph | 95 km |
| 2023 | Koinu | Category 2 | 75 mph | 239 km |
| 2023 | Talim | Category 1 | 69 mph | 46 km |
| 2022 | Chaba | Category 1 | 81 mph | 31 km |
| 2021 | Cempaka | Category 1 | 81 mph | 61 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 72 km |
| 2017 | Hato | Category 3 | 86 mph | 126 km |
| 2017 | Khanun | Category 2 | 81 mph | 80 km |
| 2015 | Mujigae | Category 4 | 98 mph | 75 km |
| 2014 | Rammasun | Category 5 | 104 mph | 166 km |
| 2014 | Kalmaegi | Category 1 | 86 mph | 164 km |
| 2013 | Utor | Category 3 | 81 mph | 44 km |
| 2013 | Rumbia | Category 1 | 58 mph | 159 km |
| 2012 | Vicente | Category 4 | 92 mph | 132 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).