Wiang Chai, Thailand

Full City Profile

1,309 ft Elevation 399 meters

76°F Avg Temperature 25°C

Wiang Chai has a warm climate with an average annual temperature of 76°F (24°C). Winters average 69°F in January while summers reach 80°F in July. The area gets 334 sunny days per year. Annual precipitation totals 84.1 inches. The area receives 0.0 inches of snow annually.

Temperature

69°F Jan (21°C) 80°F Jul (26°C)

Annual Average	76.1°F
	41% above US avg
January Average	69°F (21°C)
July Average	80°F (26°C)
Sunny Days	334 days/yr

Geography

Elevation	1,309 ft (399 m)
Area	23.5 sq mi (60.8 km²)
Population Density	0/sq mi
Coordinates	19.8836°N, 99.9331°W
Timezone	Asia/Bangkok

Precipitation & Snow

Annual Rainfall 84.1"

121% above US avg

Snowfall 0.0"

Wettest Month (Aug) 12.20"

Driest Month (Jan) 0.30"

Air Quality

Earthquake History

80 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.9. Most recent: M4.2 on Jun 2, 2025.

Mar 24, 2011	27 km NNW of Tachilek, Myanmar	M6.9	90 km
May 16, 2007	40 km NE of Ban Houakhoua, Laos	M6.3	108 km
May 5, 2014	32 km SSW of Chiang Rai, Thailand	M6.1	38 km
Jul 21, 2022	53 km S of K?ng Tung, Myanmar	M5.9	141 km
Mar 24, 2011	25 km NNW of Tachilek, Myanmar	M5.7	87 km
Jan 19, 2000	73 km NE of Chiang Klang, Thailand	M5.4	142 km
Sep 11, 1994	41 km NW of Mae Chai, Thailand	M5.2	55 km
Mar 26, 2011	40 km NE of Tachilek, Myanmar	M5.0	97 km
May 6, 2014	31 km SW of Chiang Rai, Thailand	M5.0	38 km
Mar 25, 2011	29 km N of Tachilek, Myanmar	M5.0	92 km
May 6, 2014	42 km SE of Fang, Thailand	M5.0	57 km
Jul 21, 2022	58 km S of K?ng Tung, Myanmar	M4.9	136 km
Jul 21, 2022	53 km S of K?ng Tung, Myanmar	M4.9	140 km
May 6, 2013	24 km N of Tachilek, Myanmar	M4.9	88 km
Mar 24, 2011	23 km NNE of Tachilek, Myanmar	M4.8	86 km
Jul 29, 2022	65 km S of K?ng Tung, Myanmar	M4.8	129 km
Jul 7, 2021	53 km NE of Chiang Klang, Thailand	M4.7	131 km
Jun 29, 2022	55 km S of K?ng Tung, Myanmar	M4.7	139 km
Dec 21, 1996	9 km NE of Ban Houayxay, Laos	M4.7	75 km
Apr 18, 2017	40 km NE of Tachilek, Myanmar	M4.7	95 km

Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	69°F (21°C)	0.3 in	Driest
February	72°F (22°C)	0.5 in
March	77°F (25°C)	0.9 in
April	82°F (28°C)	3.2 in	Warmest
May	81°F (27°C)	7.5 in
June	81°F (27°C)	6.7 in
July	80°F (26°C)	10.5 in
August	79°F (26°C)	12.2 in	Wettest
September	79°F (26°C)	9.0 in
October	77°F (25°C)	4.5 in
November	72°F (22°C)	1.9 in
December	68°F (20°C)	0.6 in	Coldest

Wiang Chai has a seasonal temperature swing of 14°F / from 68°F in December to 82°F in April. Total annual precipitation is 57.8 inches, with August being the wettest month (12.2") and January the driest (0.3").

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