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Simen, China

Full City Profile

23 ft Elevation 7 meters
62°F Avg Temperature 17°C
Simen enjoys a temperate climate with an average annual temperature of 62°F (17°C). Winters average 43°F in January while summers reach 83°F in July. The area gets 239 sunny days per year. Annual precipitation totals 57.1 inches. The area receives 1.3 inches of snow annually.

Temperature

43°F Jan (6°C) 83°F Jul (28°C)
Annual Average61.7°F
14% above US avg
January Average43°F (6°C)
July Average83°F (28°C)
Sunny Days239 days/yr

Geography

Elevation23 ft (7 m)
Area551.4 sq mi (1,428.0 km²)
Population Density0/sq mi
Coordinates30.1617°N, 121.0389°W
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 57.1"
50% above US avg
Snowfall 1.3"
Wettest Month (Jun) 7.20"
Driest Month (Dec) 1.70"

Air Quality

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M4.0. Most recent: M4.0 on May 25, 2004.

May 25, 2004 12 km NE of Shenjiamen, China M4.0 131 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

25 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 3. Most recent: Bebinca (2024).

Year Name Category Closest
2024 Bebinca Category 1 110 km
2022 Muifa Category 2 100 km
2021 Chanthu Category 2 232 km
2020 Hagupit Category 1 274 km
2019 Lekima Category 3 85 km
2019 Mitag Category 1 207 km
2015 Chan-hom Category 3 151 km
2012 Haikui Category 1 186 km
2007 Wipha Category 1 293 km
2005 Khanun Category 3 51 km
2005 Matsa Category 1 247 km
2004 Rananim Category 2 210 km
2002 Rammasun Category 3 290 km
2000 Prapiroon Category 1 201 km
2000 Jelawat Category 1 121 km
1997 Winnie Category 1 138 km
1994 Seth Category 2 267 km
1994 Fred Category 2 255 km
1994 Doug Category 1 208 km
1990 Abe Category 2 51 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

1 tsunami recorded within 500 km. Highest wave on record: 3.0 m (10 ft).

Year Location Cause Max Wave Deaths Distance
1991 AOSHAN Meteorological 3.0 m 109 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 43°F (6°C) 2.0 in
February 43°F (6°C) 2.8 in Coldest
March 50°F (10°C) 3.9 in
April 60°F (15°C) 4.4 in
May 69°F (20°C) 5.5 in
June 76°F (24°C) 7.2 in Wettest
July 83°F (28°C) 4.9 in Warmest
August 82°F (28°C) 5.1 in
September 74°F (24°C) 5.8 in
October 65°F (19°C) 2.3 in
November 55°F (13°C) 2.0 in
December 44°F (7°C) 1.7 in Driest

Simen has a seasonal temperature swing of 40°F / from 43°F in February to 83°F in July. Total annual precipitation is 47.6 inches, with June being the wettest month (7.2") and December the driest (1.7").

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