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Weather & Climate in Donglong, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Donglong 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 286 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 61.9 inches (wetter than the 38-inch national average). The city sits at an elevation of 10 feet.
Temperature
59°F Jan (15°C)
83°F Jul (28°C)
| Annual Average | 72.3°F |
| 34% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 286 days/yr |
Geography
| Elevation | 10 ft (3 m) |
| Area | 293.1 sq mi (759.1 km²) |
| Population Density | 0/sq mi |
| Coordinates | 23.0095°N, 116.2828°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.6.
| Aug 4, 1992 | 55 km NW of Hepo, China | M4.6 | 121 km | 10 km |
| Nov 12, 1995 | 49 km N of Hepo, China | M4.3 | 109 km | 10 km |
| May 16, 1991 | 24 km ESE of Haimen, China | M3.9 | 59 km | 10 km |
| Mar 13, 2022 | 37 km W of Shanwei, China | M3.8 | 137 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
58 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 4 | — | 241 km |
| 2025 | Danas | Category 2 | — | 259 km |
| 2025 | Podul | Category 1 | — | 261 km |
| 2025 | Wipha | Category 1 | — | 234 km |
| 2023 | Saola | Category 4 | 121 mph | 124 km |
| 2023 | Koinu | Category 3 | 98 mph | 159 km |
| 2023 | Doksuri | Category 3 | 92 mph | 273 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 184 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 276 km |
| 2017 | Hato | Category 3 | 86 mph | 225 km |
| 2016 | Meranti | Category 3 | 98 mph | 259 km |
| 2016 | Haima | Category 1 | 81 mph | 116 km |
| 2016 | Nida | Category 1 | 63 mph | 129 km |
| 2015 | Linfa | Category 1 | 58 mph | 23 km |
| 2013 | Usagi | Category 3 | 98 mph | 49 km |
| 2012 | Tembin | Category 2 | 81 mph | 149 km |
| 2010 | Megi | Category 3 | 98 mph | 181 km |
| 2010 | Fanapi | Category 1 | 69 mph | 132 km |
| 2010 | Meranti | Category 1 | 63 mph | 278 km |
| 2009 | Molave | Category 1 | 75 mph | 84 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Tsunami History
2 tsunamis recorded within 500 km.
| Year | Location | Cause | Max Wave | Deaths | Distance |
| 1918 | GUANGDONG PROVINCE | Eruption + Earthquake | — | 2,000 | 108 km |
| 1640 | SOUTH CHINA SEA | Earthquake | — | — | 73 km |
Source: NOAA/NCEI Historical Tsunami Database.