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Weather & Climate in Longtang, China
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Longtang has a warm climate with an average annual temperature of 71°F (22°C). Winters average 57°F in January while summers reach 83°F in July. The area gets 236 sunny days per year, above the national average. Annual precipitation totals 103.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 69 feet.
Temperature
57°F Jan (14°C)
83°F Jul (29°C)
| Annual Average | 70.7°F |
| 31% above US avg | |
| January Average | 57°F (14°C) |
| July Average | 83°F (29°C) |
| Sunny Days | 236 days/yr |
Geography
| Elevation | 69 ft (21 m) |
| Area | 7,349.7 sq mi (19,035.6 km²) |
| Population Density | 0/sq mi |
| Coordinates | 23.5989°N, 113.0700°W |
| Timezone | Asia/Shanghai |
Precipitation & Snow
Air Quality
Earthquake History
8 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.5.
| Feb 22, 2013 | 27 km NW of Heyuan, China | M4.5 | 146 km | 9 km |
| Feb 15, 2012 | 37 km NW of Heyuan, China | M4.4 | 146 km | 5 km |
| Aug 19, 1999 | 30 km NW of Heyuan, China | M4.4 | 145 km | 10 km |
| Aug 31, 2012 | 21 km WSW of Heyuan, China | M4.3 | 144 km | 10 km |
| Sep 26, 1997 | 4 km NNW of Sanshui, China | M4.2 | 50 km | 33 km |
| Sep 21, 1991 | 23 km WNW of Heyuan, China | M4.2 | 147 km | 33 km |
| Mar 7, 2023 | 24 km NW of Heyuan, China | M4.2 | 148 km | 10 km |
| Jun 23, 2025 | 13 km N of Qingyuan, China | M4.0 | 25 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Hurricane History
37 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 4.
| Year | Name | Category | Max Wind | Closest |
| 2025 | Ragasa | Category 4 | — | 227 km |
| 2025 | Tapah | Category 1 | — | 206 km |
| 2025 | Wipha | Category 1 | — | 201 km |
| 2023 | Saola | Category 4 | 109 mph | 183 km |
| 2023 | Koinu | Category 3 | 98 mph | 218 km |
| 2021 | Cempaka | Category 1 | 81 mph | 238 km |
| 2018 | Mangkhut | Category 1 | 86 mph | 195 km |
| 2017 | Hato | Category 3 | 86 mph | 157 km |
| 2016 | Haima | Category 1 | 69 mph | 259 km |
| 2016 | Nida | Category 1 | 58 mph | 160 km |
| 2013 | Utor | Category 2 | 75 mph | 248 km |
| 2013 | Usagi | Category 1 | 92 mph | 170 km |
| 2012 | Vicente | Category 4 | 92 mph | 160 km |
| 2009 | Koppu | Category 1 | 75 mph | 217 km |
| 2008 | Hagupit | Category 4 | 104 mph | 282 km |
| 2006 | Prapiroon | Category 1 | 75 mph | 284 km |
| 2003 | Dujuan | Category 2 | 69 mph | 128 km |
| 2001 | Utor | Category 1 | 58 mph | 198 km |
| 2001 | Yutu | Category 1 | 58 mph | 273 km |
| 1999 | York | Category 1 | 63 mph | 158 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 57°F (14°C) | 1.7 in | |
| February | 56°F (14°C) | 3.2 in | Coldest |
| March | 62°F (17°C) | 4.7 in | |
| April | 71°F (21°C) | 8.1 in | |
| May | 77°F (25°C) | 11.2 in | Wettest |
| June | 81°F (27°C) | 11.0 in | |
| July | 83°F (29°C) | 8.0 in | Warmest |
| August | 83°F (28°C) | 9.0 in | |
| September | 80°F (27°C) | 4.9 in | |
| October | 74°F (23°C) | 2.8 in | |
| November | 65°F (19°C) | 1.5 in | |
| December | 58°F (14°C) | 1.4 in | Driest |
Longtang has a seasonal temperature swing of 27°F / from 56°F in February to 83°F in July. Total annual precipitation is 67.5 inches, with May being the wettest month (11.2") and December the driest (1.4").