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Longtang, China

Full City Profile

69 ft Elevation 21 meters
71°F Avg Temperature 22°C
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. Annual precipitation totals 103.1 inches. The area receives 0.0 inches of snow annually.

Temperature

57°F Jan (14°C) 83°F Jul (29°C)
Annual Average70.7°F
31% above US avg
January Average57°F (14°C)
July Average83°F (29°C)
Sunny Days236 days/yr

Geography

Elevation69 ft (21 m)
Area7,349.7 sq mi (19,035.6 km²)
Population Density0/sq mi
Coordinates23.5989°N, 113.0700°W
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 103.1"
171% above US avg
Snowfall 0.0"
Wettest Month (May) 11.20"
Driest Month (Dec) 1.40"

Air Quality

Earthquake History

8 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.5. Most recent: M4.0 on Jun 23, 2025.

Feb 22, 2013 27 km NW of Heyuan, China M4.5 146 km
Feb 15, 2012 37 km NW of Heyuan, China M4.4 146 km
Aug 19, 1999 30 km NW of Heyuan, China M4.4 145 km
Aug 31, 2012 21 km WSW of Heyuan, China M4.3 144 km
Sep 26, 1997 4 km NNW of Sanshui, China M4.2 50 km
Sep 21, 1991 23 km WNW of Heyuan, China M4.2 147 km
Mar 7, 2023 24 km NW of Heyuan, China M4.2 148 km
Jun 23, 2025 13 km N of Qingyuan, China M4.0 25 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

37 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Ragasa (2025).

Year Name Category Closest
2025 Ragasa Category 4 227 km
2025 Tapah Category 1 206 km
2025 Wipha Category 1 201 km
2023 Saola Category 4 183 km
2023 Koinu Category 3 218 km
2021 Cempaka Category 1 238 km
2018 Mangkhut Category 1 195 km
2017 Hato Category 3 157 km
2016 Haima Category 1 259 km
2016 Nida Category 1 160 km
2013 Utor Category 2 248 km
2013 Usagi Category 1 170 km
2012 Vicente Category 4 160 km
2009 Koppu Category 1 217 km
2008 Hagupit Category 4 282 km
2006 Prapiroon Category 1 284 km
2003 Dujuan Category 2 128 km
2001 Utor Category 1 198 km
2001 Yutu Category 1 273 km
1999 York Category 1 158 km
Source: NOAA IBTrACS (Cat 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").

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