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Phayao, Thailand

Full City Profile

21,058 Population 599/sq mi density
1,342 ft Elevation 409 meters
78°F Avg Temperature 25°C
Phayao has a warm climate with an average annual temperature of 78°F (26°C). Winters average 70°F in January while summers reach 81°F in July. The area gets 255 sunny days per year. Annual precipitation totals 44.4 inches. The area receives 0.0 inches of snow annually.

Temperature

70°F Jan (21°C) 81°F Jul (27°C)
Annual Average77.6°F
44% above US avg
January Average70°F (21°C)
July Average81°F (27°C)
Sunny Days255 days/yr

Geography

Elevation1,342 ft (409 m)
Area35.1 sq mi (91.0 km²)
Population Density599/sq mi
Coordinates19.1920°N, 99.8788°W
TimezoneAsia/Bangkok

Precipitation & Snow

Annual Rainfall 44.4"
17% above US avg
Snowfall 0.0"
Wettest Month (Aug) 8.46"
Driest Month (Jan) 0.16"

Air Quality

Earthquake History

38 earthquakes (M2.5+) within 150 km since 1990. Strongest: M6.1. Most recent: M4.2 on Jun 2, 2025.

May 5, 2014 32 km SSW of Chiang Rai, Thailand M6.1 56 km
Sep 11, 1994 41 km NW of Mae Chai, Thailand M5.2 58 km
May 6, 2014 31 km SW of Chiang Rai, Thailand M5.0 63 km
May 6, 2014 42 km SE of Fang, Thailand M5.0 64 km
Dec 9, 1995 9 km ENE of Rong Kwang, Thailand M4.7 106 km
Jul 7, 2021 53 km NE of Chiang Klang, Thailand M4.7 145 km
Dec 21, 1996 9 km NE of Ban Houayxay, Laos M4.7 142 km
Feb 20, 2019 26 km SW of Mae Chai, Thailand M4.6 28 km
May 6, 2014 40 km SW of Chiang Rai, Thailand M4.6 66 km
May 5, 2014 32 km SSW of Chiang Rai, Thailand M4.6 57 km
Aug 24, 2014 44 km SSE of Fang, Thailand M4.5 62 km
Jul 2, 2002 44 km N of Chiang Klang, Thailand M4.5 111 km
Dec 21, 1995 52 km SSW of Fang, Thailand M4.5 90 km
May 7, 2014 38 km SW of Chiang Rai, Thailand M4.5 60 km
May 5, 2014 31 km SSW of Chiang Rai, Thailand M4.4 58 km
Nov 11, 2001 13 km W of Pa Daet, Thailand M4.4 35 km
May 5, 2014 27 km SW of Chiang Rai, Thailand M4.4 70 km
May 12, 2014 29 km SSW of Chiang Rai, Thailand M4.3 56 km
May 6, 2014 39 km NW of Mae Chai, Thailand M4.3 57 km
May 5, 2014 38 km NW of Mae Chai, Thailand M4.3 57 km
Source: USGS (M2.5+, 1990–2025)

Monthly Weather

Month Avg Temperature Precipitation Summary
January 70°F (21°C) 0.2 in Driest
February 74°F (23°C) 0.3 in
March 80°F (26°C) 1.0 in
April 84°F (29°C) 3.2 in Warmest
May 82°F (28°C) 6.8 in
June 82°F (28°C) 4.5 in
July 81°F (27°C) 7.1 in
August 80°F (27°C) 8.5 in Wettest
September 80°F (26°C) 7.2 in
October 78°F (25°C) 3.9 in
November 73°F (23°C) 1.4 in
December 69°F (20°C) 0.4 in Coldest

Phayao has a seasonal temperature swing of 15°F / from 69°F in December to 84°F in April. Total annual precipitation is 44.4 inches, with August being the wettest month (8.5") and January the driest (0.2").

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