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Weather & Climate in Longhu, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longhu has a warm climate with an average annual temperature of 72°F (22°C). Winters average 59°F in January while summers reach 84°F in July. The area gets 263 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 65.5 inches (wetter than the 38-inch national average). The city sits at an elevation of 43 feet.
Temperature
59°F Jan (15°C)
84°F Jul (29°C)
| Annual Average | 72.4°F |
| 34% above US avg | |
| January Average | 59°F (15°C) |
| July Average | 84°F (29°C) |
| Sunny Days | 263 days/yr |
Geography
| Elevation | 43 ft (13 m) |
| Area | 1,214.7 sq mi (3,145.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 23.5573°N, 116.6463°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
3 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 | 123 km | 10 km |
| Nov 12, 1995 | 49 km N of Hepo, China | M4.3 | 95 km | 10 km |
| May 16, 1991 | 24 km ESE of Haimen, China | M3.9 | 51 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
56 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Danas | Category 2 | — | 265 km |
| 2025 | Podul | Category 1 | — | 220 km |
| 2023 | Saola | Category 4 | 121 mph | 190 km |
| 2023 | Koinu | Category 3 | 98 mph | 208 km |
| 2023 | Doksuri | Category 3 | 92 mph | 230 km |
| 2023 | Haikui | Category 1 | — | 294 km |
| 2020 | Mekkhala | Category 1 | 58 mph | 129 km |
| 2017 | Hato | Category 3 | 86 mph | 292 km |
| 2016 | Meranti | Category 4 | 98 mph | 195 km |
| 2016 | Haima | Category 1 | 69 mph | 181 km |
| 2016 | Nida | Category 1 | 63 mph | 200 km |
| 2015 | Dujuan | Category 1 | 63 mph | 263 km |
| 2015 | Linfa | Category 1 | 58 mph | 91 km |
| 2013 | Usagi | Category 3 | 98 mph | 120 km |
| 2012 | Tembin | Category 2 | 75 mph | 180 km |
| 2010 | Megi | Category 3 | 92 mph | 139 km |
| 2010 | Fanapi | Category 1 | 69 mph | 77 km |
| 2010 | Meranti | Category 1 | 63 mph | 230 km |
| 2009 | Molave | Category 1 | 75 mph | 155 km |
| 2009 | Linfa | Category 1 | 69 mph | 194 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 | 57 km |
| 1640 | SOUTH CHINA SEA | Earthquake | — | — | 72 km |
Source: NOAA/NCEI Historical Tsunami Database.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 59°F (15°C) | 1.4 in | |
| February | 58°F (14°C) | 2.7 in | Coldest |
| March | 62°F (17°C) | 4.1 in | |
| April | 70°F (21°C) | 6.3 in | |
| May | 76°F (25°C) | 8.3 in | |
| June | 81°F (27°C) | 10.6 in | Wettest |
| July | 84°F (29°C) | 8.0 in | Warmest |
| August | 83°F (28°C) | 9.6 in | |
| September | 81°F (27°C) | 5.8 in | |
| October | 75°F (24°C) | 2.3 in | |
| November | 68°F (20°C) | 1.4 in | |
| December | 61°F (16°C) | 1.3 in | Driest |
Longhu has a seasonal temperature swing of 26°F / from 58°F in February to 84°F in July. Total annual precipitation is 61.8 inches, with June being the wettest month (10.6") and December the driest (1.3").