Si’en, China

Full City Profile

764 ft Elevation 233 meters

65°F Avg Temperature 18°C

Si’en enjoys a temperate climate with an average annual temperature of 65°F (18°C). Winters average 53°F in January while summers reach 80°F in July. The area gets 242 sunny days per year. Annual precipitation totals 84.0 inches. The area receives 0.0 inches of snow annually.

Temperature

53°F Jan (12°C) 80°F Jul (26°C)

Annual Average	64.8°F
	20% above US avg
January Average	53°F (12°C)
July Average	80°F (26°C)
Sunny Days	242 days/yr

Geography

Elevation	764 ft (233 m)
Area	12.3 sq mi (31.8 km²)
Population Density	0/sq mi
Coordinates	24.8420°N, 108.2716°W
Timezone	Asia/Shanghai

Precipitation & Snow

Annual Rainfall 84.0"

121% above US avg

Snowfall 0.0"

Wettest Month (Jun) 9.90"

Driest Month (Dec) 1.20"

Air Quality

Earthquake History

14 earthquakes (M2.5+) within 150 km since 1990. Strongest: M4.7. Most recent: M4.5 on Feb 15, 2024.

Feb 19, 2013	77 km E of Baise City, China	M4.7	146 km
Apr 16, 1998	108 km SW of Xiajiang, China	M4.6	37 km
Feb 15, 2024	102 km WNW of Hechi, China	M4.5	117 km
Aug 9, 2007	99 km SSW of Xiaoweizhai, China	M4.4	123 km
Oct 23, 2013	95 km E of Baise City, China	M4.4	132 km
Jul 30, 2017	67 km WNW of Laibin, China	M4.4	115 km
Apr 16, 1998	111 km SSW of Pingjiang, China	M4.3	55 km
Dec 13, 1992	113 km NNW of Nanning, China	M4.3	121 km
Jul 14, 2017	136 km NNE of Baise City, China	M4.2	94 km
Jun 15, 2008	108 km ENE of Baise City, China	M4.1	99 km
Feb 9, 1993	87 km NNW of Nanning, China	M4.1	145 km
Feb 5, 1993	100 km NNW of Nanning, China	M4.0	128 km
Jun 19, 2008	111 km SSW of Xiaoweizhai, China	M3.6	121 km
Jul 24, 1993	26 km ESE of Xishan, China	M3.6	129 km

Source: USGS (M2.5+, 1990–2025)

Hurricane History

2 hurricanes (Cat 1+) within 500 km since 1980. Strongest: Category 1. Most recent: Mujigae (2015).

Year	Name	Category	Closest
2015	Mujigae	Category 1	247 km
2003	Imbudo	Category 1	289 km

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

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	53°F (12°C)	1.4 in
February	49°F (9°C)	2.1 in	Coldest
March	56°F (13°C)	2.4 in
April	65°F (18°C)	5.2 in
May	72°F (22°C)	8.9 in
June	77°F (25°C)	9.9 in	Wettest
July	80°F (26°C)	8.0 in	Warmest
August	79°F (26°C)	7.8 in
September	75°F (24°C)	3.8 in
October	67°F (20°C)	3.2 in
November	58°F (15°C)	2.1 in
December	51°F (10°C)	1.2 in	Driest

Si’en has a seasonal temperature swing of 31°F / from 49°F in February to 80°F in July. Total annual precipitation is 56.0 inches, with June being the wettest month (9.9") and December the driest (1.2").

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