He’an, China

Full City Profile

7 ft Elevation 2 meters

76°F Avg Temperature 25°C

He’an has a warm climate with an average annual temperature of 76°F (24°C). Winters average 63°F in January while summers reach 85°F in July. The area gets 288 sunny days per year. Annual precipitation totals 77.2 inches. The area receives 0.0 inches of snow annually.

Temperature

63°F Jan (17°C) 85°F Jul (29°C)

Annual Average	76.4°F
	41% above US avg
January Average	63°F (17°C)
July Average	85°F (29°C)
Sunny Days	288 days/yr

Geography

Elevation	7 ft (2 m)
Area	298.6 sq mi (773.5 km²)
Population Density	0/sq mi
Coordinates	20.6295°N, 110.3698°W
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 77.2"

103% above US avg

Snowfall 0.0"

Air Quality

Earthquake History

7 earthquakes (M2.5+) within 150 km since 1990. Strongest: M5.5. Most recent: M4.6 on Jun 23, 2023.

Jan 10, 1995	64 km WNW of Lincheng, China	M5.5	135 km
Dec 31, 1994	77 km NNW of Lincheng, China	M5.3	109 km
Jun 23, 2023	southeastern China	M4.6	148 km
Mar 23, 1995	60 km NNW of Lincheng, China	M4.4	99 km
Apr 15, 1995	68 km NNW of Lincheng, China	M4.3	100 km
May 7, 1995	63 km NNW of Lincheng, China	M4.2	102 km
Feb 25, 1996	49 km WNW of Lincheng, China	M4.1	139 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Ragasa	Category 3	151 km
2025	Matmo	Category 2	23 km
2025	Tapah	Category 1	265 km
2025	Wutip	Category 1	137 km
2024	Yagi	Category 5	72 km
2023	Saola	Category 2	224 km
2023	Talim	Category 1	64 km
2022	Chaba	Category 1	107 km
2021	Cempaka	Category 1	197 km
2018	Mangkhut	Category 1	187 km
2017	Hato	Category 2	261 km
2017	Khanun	Category 1	88 km
2016	Sarika	Category 1	188 km
2015	Mujigae	Category 4	64 km
2014	Rammasun	Category 5	37 km
2014	Kalmaegi	Category 1	53 km
2013	Utor	Category 2	180 km
2013	Haiyan	Category 1	288 km
2013	Rumbia	Category 1	96 km
2012	Vicente	Category 3	254 km

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

Nearby Volcanoes

1 volcano within 200 km. Closest: Hainan Volcanic Field (82 km).

Name	Type	Elevation	Last Eruption	Distance
Hainan Volcanic Field	Pyroclastic cone(s)	196 m (643 ft)	1933	82 km

Source: Smithsonian Institution Global Volcanism Program (GVP). Sorted by distance.

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