Haiyou, China

Full City Profile

43 ft Elevation 13 meters

66°F Avg Temperature 19°C

Haiyou enjoys a temperate climate with an average annual temperature of 66°F (19°C). Winters average 46°F in January while summers reach 84°F in July. The area gets 250 sunny days per year. Annual precipitation totals 61.8 inches. The area receives 0.4 inches of snow annually.

Temperature

46°F Jan (8°C) 84°F Jul (29°C)

Annual Average	65.5°F
	21% above US avg
January Average	46°F (8°C)
July Average	84°F (29°C)
Sunny Days	250 days/yr

Geography

Elevation	43 ft (13 m)
Area	67.0 sq mi (173.4 km²)
Population Density	0/sq mi
Coordinates	29.1236°N, 121.3734°W
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 61.8"

63% above US avg

Snowfall 0.4"

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	142 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2024	Bebinca	Category 1	202 km
2022	Muifa	Category 2	111 km
2021	Chanthu	Category 2	209 km
2021	In-fa	Category 1	263 km
2020	Hagupit	Category 1	161 km
2019	Lekima	Category 4	54 km
2019	Mitag	Category 1	99 km
2015	Chan-hom	Category 4	108 km
2013	Fitow	Category 1	239 km
2012	Haikui	Category 1	94 km
2007	Wipha	Category 4	220 km
2006	Saomai	Category 5	237 km
2005	Khanun	Category 4	36 km
2005	Matsa	Category 1	127 km
2004	Rananim	Category 2	103 km
2004	Nock-ten	Category 1	283 km
2002	Rammasun	Category 3	265 km
2002	Sinlaku	Category 1	214 km
2001	Chebi	Category 2	243 km
2000	Saomai	Category 2	287 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	—	118 km

Source: NOAA/NCEI Historical Tsunami Database. Sorted by wave height.

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