Hekou, China

Full City Profile

95 ft Elevation 29 meters

70°F Avg Temperature 21°C

Hekou enjoys a temperate climate with an average annual temperature of 70°F (21°C). Winters average 56°F in January while summers reach 79°F in July. The area gets 286 sunny days per year. Annual precipitation totals 72.9 inches. The area receives 0.0 inches of snow annually.

Temperature

56°F Jan (13°C) 79°F Jul (26°C)

Annual Average	69.5°F
	29% above US avg
January Average	56°F (13°C)
July Average	79°F (26°C)
Sunny Days	286 days/yr

Geography

Elevation	95 ft (29 m)
Area	293.3 sq mi (759.6 km²)
Population Density	0/sq mi
Coordinates	23.1796°N, 115.6068°W
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 72.9"

92% above US avg

Snowfall 0.0"

Air Quality

Earthquake History

12 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.6. Most recent: M4.2 on Mar 7, 2023.

Aug 4, 1992	55 km NW of Hepo, China	M4.6	70 km
Feb 22, 2013	27 km NW of Heyuan, China	M4.5	140 km
Feb 15, 2012	37 km NW of Heyuan, China	M4.4	149 km
Aug 19, 1999	30 km NW of Heyuan, China	M4.4	143 km
Aug 31, 2012	21 km WSW of Heyuan, China	M4.3	128 km
Nov 12, 1995	49 km N of Hepo, China	M4.3	80 km
Sep 21, 1991	23 km WNW of Heyuan, China	M4.2	136 km
Mar 7, 2023	24 km NW of Heyuan, China	M4.2	137 km
Feb 11, 2023	10 km WNW of Heyuan, China	M4.2	123 km
Mar 24, 1999	33 km ENE of Heyuan, China	M4.1	96 km
May 16, 1991	24 km ESE of Haimen, China	M3.9	127 km
Mar 13, 2022	37 km W of Shanwei, China	M3.8	81 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

52 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 4. Most recent: Ragasa (2025).

Year	Name	Category	Closest
2025	Ragasa	Category 4	243 km
2025	Wipha	Category 1	204 km
2023	Saola	Category 4	131 km
2023	Koinu	Category 3	203 km
2020	Mekkhala	Category 1	242 km
2018	Mangkhut	Category 1	263 km
2017	Hato	Category 3	219 km
2016	Haima	Category 1	82 km
2016	Nida	Category 1	113 km
2015	Linfa	Category 1	83 km
2013	Usagi	Category 3	47 km
2012	Vicente	Category 4	272 km
2012	Tembin	Category 2	209 km
2010	Megi	Category 3	246 km
2010	Fanapi	Category 1	189 km
2009	Koppu	Category 1	277 km
2009	Molave	Category 1	106 km
2009	Linfa	Category 1	288 km
2008	Nuri	Category 1	244 km
2006	Chanchu	Category 3	134 km

Source: NOAA IBTrACS (Cat 1+, 1980–2026)

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1640	SOUTH CHINA SEA	Earthquake	—	—	144 km

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

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