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Sui’an, China

Full City Profile

43 ft Elevation 13 meters
70°F Avg Temperature 21°C
Sui’an enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 51°F in January while summers reach 83°F in July. The area gets 272 sunny days per year. Annual precipitation totals 76.7 inches. The area receives 0.0 inches of snow annually.

Temperature

51°F Jan (11°C) 83°F Jul (28°C)
Annual Average70.4°F
30% above US avg
January Average51°F (11°C)
July Average83°F (28°C)
Sunny Days272 days/yr

Geography

Elevation43 ft (13 m)
Area2.4 sq mi (6.3 km²)
Population Density0/sq mi
Coordinates24.0870°N, 117.6091°W
TimezoneAsia/Shanghai

Precipitation & Snow

Annual Rainfall 76.7"
102% above US avg
Snowfall 0.0"
Wettest Month (Jun) 8.70"
Driest Month (Dec) 1.10"

Air Quality

Earthquake History

6 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M4.3 on Aug 17, 2019.

Feb 25, 1995 27 km S of Kerencun, China M4.9 113 km
Aug 17, 2019 102 km SSE of Zhenhaicun, China M4.3 121 km
Aug 1, 2019 86 km W of Magong, Taiwan M4.2 126 km
May 16, 1991 24 km ESE of Haimen, China M3.9 132 km
Mar 2, 1992 10 km SSE of Zhenhaicun, China M3.9 52 km
Jun 3, 1991 64 km SE of Jincheng, Taiwan M3.9 111 km
Source: USGS (M2.5+, 1990–2025)

Hurricane History

65 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 5. Most recent: Danas (2025).

Year Name Category Closest
2025 Danas Category 2 232 km
2025 Podul Category 1 143 km
2024 Krathon Category 4 300 km
2024 Kong-rey Category 1 247 km
2024 Gaemi Category 1 267 km
2023 Saola Category 4 283 km
2023 Koinu Category 3 246 km
2023 Doksuri Category 3 122 km
2023 Haikui Category 2 216 km
2020 Mekkhala Category 1 16 km
2018 Maria Category 2 286 km
2016 Meranti Category 5 84 km
2016 Haima Category 1 295 km
2016 Megi Category 1 234 km
2016 Nepartak Category 1 263 km
2015 Dujuan Category 2 157 km
2015 Soudelor Category 2 198 km
2015 Linfa Category 1 168 km
2014 Matmo Category 1 231 km
2013 Usagi Category 3 205 km
Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

3 tsunamis recorded within 500 km.

Year Location Cause Max Wave Deaths Distance
1918 GUANGDONG PROVINCE Eruption + Earthquake 2,000 77 km
1917 SOUTH CHINA SEA Earthquake 64 km
1640 SOUTH CHINA SEA Earthquake 136 km
Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

Monthly Weather

Month Avg Temperature Precipitation Summary
January 51°F (11°C) 1.3 in Coldest
February 56°F (14°C) 2.7 in
March 61°F (16°C) 4.1 in
April 68°F (20°C) 6.1 in
May 75°F (24°C) 7.2 in
June 80°F (27°C) 8.7 in Wettest
July 83°F (28°C) 6.3 in Warmest
August 83°F (28°C) 7.4 in
September 80°F (27°C) 4.6 in
October 74°F (24°C) 1.8 in
November 67°F (19°C) 1.3 in
December 59°F (15°C) 1.1 in Driest

Sui’an has a seasonal temperature swing of 32°F / from 51°F in January to 83°F in July. Total annual precipitation is 52.6 inches, with June being the wettest month (8.7") and December the driest (1.1").

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