Guanhaiwei, China

Full City Profile

26 ft Elevation 8 meters

64°F Avg Temperature 18°C

Guanhaiwei enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 43°F in January while summers reach 83°F in July. The area gets 240 sunny days per year. Annual precipitation totals 56.0 inches. The area receives 1.0 inches of snow annually.

Temperature

43°F Jan (6°C) 83°F Jul (29°C)

Annual Average	63.6°F
	18% above US avg
January Average	43°F (6°C)
July Average	83°F (29°C)
Sunny Days	240 days/yr

Geography

Elevation	26 ft (8 m)
Area	510.2 sq mi (1,321.4 km²)
Population Density	0/sq mi
Coordinates	30.1703°N, 121.4018°W
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 56.0"

47% above US avg

Snowfall 1.0"

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	96 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	90 km
2022	Muifa	Category 2	68 km
2021	Chanthu	Category 2	199 km
2020	Hagupit	Category 1	276 km
2019	Lekima	Category 3	107 km
2019	Mitag	Category 1	191 km
2015	Chan-hom	Category 3	119 km
2012	Haikui	Category 1	166 km
2005	Khanun	Category 3	83 km
2005	Matsa	Category 1	242 km
2004	Rananim	Category 2	219 km
2002	Rammasun	Category 3	256 km
2000	Prapiroon	Category 1	166 km
2000	Jelawat	Category 1	104 km
1997	Winnie	Category 1	160 km
1994	Seth	Category 2	234 km
1994	Fred	Category 2	273 km
1994	Doug	Category 1	176 km
1990	Abe	Category 2	83 km
1986	Vera	Category 1	270 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	—	75 km

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

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