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Longtan, China

Full City Profile

315 ft Elevation 96 meters
72°F Avg Temperature 22°C
Longtan has a warm climate with an average annual temperature of 72°F (22°C). Winters average 57°F in January while summers reach 84°F in July. The area gets 242 sunny days per year. Annual precipitation totals 91.7 inches. The area receives 0.0 inches of snow annually.

Temperature

57°F Jan (14°C) 84°F Jul (29°C)
Annual Average71.6°F
33% above US avg
January Average57°F (14°C)
July Average84°F (29°C)
Sunny Days242 days/yr

Geography

Elevation315 ft (96 m)
Area623.5 sq mi (1,614.8 km²)
Population Density0/sq mi
Coordinates23.7133°N, 114.1065°W
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 91.7"
141% above US avg
Snowfall 0.0"
Wettest Month (Jun) 11.60"
Driest Month (Dec) 1.30"

Air Quality

Earthquake History

12 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M4.0 on Jun 23, 2025.

Aug 4, 1992 55 km NW of Hepo, China M4.6 139 km
Feb 22, 2013 27 km NW of Heyuan, China M4.5 41 km
Feb 15, 2012 37 km NW of Heyuan, China M4.4 46 km
Aug 19, 1999 30 km NW of Heyuan, China M4.4 42 km
Aug 31, 2012 21 km WSW of Heyuan, China M4.3 38 km
Sep 26, 1997 4 km NNW of Sanshui, China M4.2 139 km
Sep 21, 1991 23 km WNW of Heyuan, China M4.2 42 km
Mar 7, 2023 24 km NW of Heyuan, China M4.2 43 km
Feb 11, 2023 10 km WNW of Heyuan, China M4.2 49 km
Mar 24, 1999 33 km ENE of Heyuan, China M4.1 91 km
Jun 23, 2025 13 km N of Qingyuan, China M4.0 109 km
Mar 13, 2022 37 km W of Shanwei, China M3.8 141 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Ragasa Category 4 274 km
2025 Tapah Category 1 263 km
2025 Wipha Category 1 225 km
2023 Saola Category 4 191 km
2023 Koinu Category 3 224 km
2018 Mangkhut Category 1 246 km
2017 Hato Category 3 206 km
2016 Nida Category 1 124 km
2016 Haima Category 1 182 km
2015 Linfa Category 1 246 km
2013 Usagi Category 3 94 km
2012 Vicente Category 4 233 km
2009 Koppu Category 1 263 km
2009 Molave Category 1 250 km
2006 Chanchu Category 2 296 km
2003 Dujuan Category 3 131 km
2001 Utor Category 1 124 km
1999 York Category 1 163 km
1999 Sam Category 1 124 km
1999 Maggie Category 1 128 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 57°F (14°C) 1.7 in Coldest
February 58°F (14°C) 3.1 in
March 64°F (18°C) 4.5 in
April 71°F (22°C) 7.8 in
May 78°F (25°C) 11.0 in
June 82°F (28°C) 11.6 in Wettest
July 84°F (29°C) 9.1 in Warmest
August 83°F (29°C) 9.6 in
September 81°F (27°C) 5.6 in
October 75°F (24°C) 2.4 in
November 67°F (19°C) 1.6 in
December 59°F (15°C) 1.3 in Driest

Longtan has a seasonal temperature swing of 27°F / from 57°F in January to 84°F in July. Total annual precipitation is 69.3 inches, with June being the wettest month (11.6") and December the driest (1.3").

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