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Decheng, China

Full City Profile

69 ft Elevation 21 meters
71°F Avg Temperature 22°C
Decheng has a warm climate with an average annual temperature of 71°F (22°C). Winters average 56°F in January while summers reach 83°F in July. The area gets 250 sunny days per year. Annual precipitation totals 86.4 inches. The area receives 0.0 inches of snow annually.

Temperature

56°F Jan (13°C) 83°F Jul (29°C)
Annual Average71.2°F
32% above US avg
January Average56°F (13°C)
July Average83°F (29°C)
Sunny Days250 days/yr

Geography

Elevation69 ft (21 m)
Area292.6 sq mi (757.9 km²)
Population Density0/sq mi
Coordinates23.1432°N, 111.7800°W
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 86.4"
127% above US avg
Snowfall 0.0"
Wettest Month (May) 12.20"
Driest Month (Dec) 1.40"

Air Quality

Earthquake History

3 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M4.0 on Jun 23, 2025.

Jul 31, 2016 31 km S of Babu, China M4.9 114 km
Sep 26, 1997 4 km NNW of Sanshui, China M4.2 112 km
Jun 23, 2025 13 km N of Qingyuan, China M4.0 149 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year Name Category Closest
2025 Ragasa Category 3 161 km
2025 Matmo Category 2 292 km
2025 Tapah Category 1 172 km
2025 Wipha Category 1 209 km
2023 Saola Category 3 166 km
2023 Koinu Category 2 247 km
2023 Talim Category 1 233 km
2022 Chaba Category 1 200 km
2021 Cempaka Category 1 149 km
2018 Mangkhut Category 1 118 km
2017 Hato Category 3 73 km
2017 Khanun Category 2 261 km
2016 Nida Category 1 255 km
2015 Mujigae Category 4 259 km
2013 Utor Category 2 132 km
2013 Usagi Category 1 289 km
2012 Vicente Category 4 63 km
2012 Kai-tak Category 1 273 km
2010 Chanthu Category 1 234 km
2009 Koppu Category 1 181 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 56°F (13°C) 1.7 in Coldest
February 58°F (14°C) 2.8 in
March 64°F (18°C) 3.9 in
April 72°F (22°C) 7.6 in
May 78°F (26°C) 12.2 in Wettest
June 82°F (28°C) 11.4 in
July 83°F (29°C) 8.0 in Warmest
August 83°F (28°C) 9.9 in
September 81°F (27°C) 5.7 in
October 75°F (24°C) 2.8 in
November 66°F (19°C) 1.6 in
December 59°F (15°C) 1.4 in Driest

Decheng has a seasonal temperature swing of 28°F / from 56°F in January to 83°F in July. Total annual precipitation is 69.0 inches, with May being the wettest month (12.2") and December the driest (1.4").

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