Sanjiangkou, China

Full City Profile

23 ft Elevation 7 meters

64°F Avg Temperature 18°C

Sanjiangkou enjoys a temperate climate with an average annual temperature of 64°F (18°C). Winters average 48°F in January while summers reach 78°F in July. The area gets 271 sunny days per year. Annual precipitation totals 71.9 inches. The area receives 0.0 inches of snow annually.

Temperature

48°F Jan (9°C) 78°F Jul (25°C)

Annual Average	63.6°F
	18% above US avg
January Average	48°F (9°C)
July Average	78°F (25°C)
Sunny Days	271 days/yr

Geography

Elevation	23 ft (7 m)
Area	48.0 sq mi (124.2 km²)
Population Density	0/sq mi
Coordinates	25.4430°N, 119.1157°W
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 71.9"

89% above US avg

Snowfall 0.0"

Air Quality

Earthquake History

13 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.9. Most recent: M4.1 on Oct 29, 2013.

Feb 25, 1995	27 km S of Kerencun, China	M4.9	130 km
Oct 28, 2013	75 km N of Magong, Taiwan	M4.6	142 km
Mar 6, 2008	6 km ENE of Meipu, China	M4.5	89 km
Feb 18, 1992	70 km SE of Jiangkou, China	M4.5	74 km
Mar 6, 2008	15 km SW of Shuikou, China	M4.1	104 km
Aug 22, 2013	34 km WNW of Putian, China	M4.1	44 km
Sep 3, 2013	31 km WNW of Putian, China	M4.1	41 km
Oct 29, 2013	31 km WNW of Putian, China	M4.1	41 km
Aug 5, 1999	54 km ESE of Dazuocun, China	M4.1	89 km
Nov 5, 1997	51 km WNW of Hsinchu, Taiwan	M3.6	149 km
Jul 4, 2008	39 km SW of Huangtian, China	M3.5	108 km
Apr 21, 1996	10 km WNW of Luoqiao, China	M3.5	120 km
Oct 15, 1997	36 km ENE of Jingfeng, China	M3.3	37 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

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

Year	Name	Category	Closest
2025	Danas	Category 2	230 km
2025	Podul	Category 1	229 km
2024	Gaemi	Category 4	97 km
2024	Kong-rey	Category 3	138 km
2023	Haikui	Category 3	252 km
2023	Doksuri	Category 2	80 km
2020	Mekkhala	Category 1	199 km
2020	Hagupit	Category 1	299 km
2018	Maria	Category 2	106 km
2017	Nesat	Category 1	189 km
2016	Meranti	Category 4	133 km
2016	Megi	Category 3	150 km
2016	Nepartak	Category 1	265 km
2015	Dujuan	Category 4	49 km
2015	Soudelor	Category 3	77 km
2014	Matmo	Category 2	62 km
2013	Fitow	Category 1	256 km
2013	Trami	Category 1	56 km
2013	Soulik	Category 1	102 km
2010	Fanapi	Category 3	217 km

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

Tsunami History

1 tsunami recorded within 500 km.

Year	Location	Cause	Max Wave	Deaths	Distance
1604	SOUTH CHINA SEA	Earthquake	—	—	63 km

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

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