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Rui’an, China

Full City Profile

927,383 Population 1,779/sq mi density
13 ft Elevation 4 meters
64°F Avg Temperature 18°C
Rui’an enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 46°F in January while summers reach 82°F in July. The area gets 230 sunny days per year. Annual precipitation totals 58.3 inches. The area receives 0.0 inches of snow annually.

Temperature

46°F Jan (8°C) 82°F Jul (28°C)
Annual Average64.0°F
19% above US avg
January Average46°F (8°C)
July Average82°F (28°C)
Sunny Days230 days/yr

Geography

Elevation13 ft (4 m)
Area521.2 sq mi (1,349.9 km²)
Population Density1,779/sq mi
Coordinates27.7761°N, 120.6586°W
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 58.3"
53% above US avg
Snowfall 0.0"
Wettest Month (Jun) 8.39"
Driest Month (Dec) 1.65"

Air Quality

Earthquake History

1 earthquake (M2.5+) within 150 km since 1990. Strongest: M4.3. Most recent: M4.3 on Feb 8, 2006.

Feb 8, 2006 26 km WNW of Kunyang, China M4.3 34 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

49 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Gaemi (2024).

Year Name Category Closest
2024 Gaemi Category 1 300 km
2022 Muifa Category 2 239 km
2021 Chanthu Category 3 241 km
2020 Hagupit Category 1 44 km
2019 Lekima Category 4 93 km
2019 Mitag Category 2 154 km
2018 Maria Category 2 163 km
2016 Malakas Category 3 272 km
2015 Chan-hom Category 3 229 km
2013 Soulik Category 1 219 km
2013 Trami Category 1 213 km
2013 Fitow Category 1 93 km
2012 Haikui Category 1 204 km
2008 Jangmi Category 1 292 km
2008 Sinlaku Category 1 210 km
2007 Wipha Category 4 62 km
2007 Krosa Category 2 209 km
2006 Saomai Category 5 75 km
2005 Khanun Category 4 135 km
2005 Matsa Category 2 96 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 46°F (8°C) 2.2 in Coldest
February 47°F (8°C) 3.0 in
March 52°F (11°C) 4.7 in
April 61°F (16°C) 5.4 in
May 69°F (20°C) 7.5 in
June 75°F (24°C) 8.4 in Wettest
July 82°F (28°C) 4.4 in Warmest
August 82°F (28°C) 7.7 in
September 76°F (25°C) 7.3 in
October 68°F (20°C) 3.5 in
November 59°F (15°C) 2.8 in
December 50°F (10°C) 1.7 in Driest

Rui’an has a seasonal temperature swing of 36°F / from 46°F in January to 82°F in July. Total annual precipitation is 58.3 inches, with June being the wettest month (8.4") and December the driest (1.7").

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