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Weather & Climate in Phayao, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Phayao has a warm climate with an average annual temperature of 78°F (25°C). Winters average 70°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 255 sunny days per year, above the national average. Annual precipitation totals 44.4 inches. The city sits at an elevation of 1,342 feet.
Temperature
70°F Jan (21°C)
81°F Jul (27°C)
| Annual Average | 77.6°F |
| 44% above US avg | |
| January Average | 70°F (21°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 255 days/yr |
Geography
| Elevation | 1,342 ft (409 m) |
| Area | 35.1 sq mi (91.0 km²) |
| Population Density | 599/sq mi |
| Coordinates | 19.1920°N, 99.8788°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
38 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.1.
| May 5, 2014 | 32 km SSW of Chiang Rai, Thailand | M6.1 | 56 km | 6 km |
| Sep 11, 1994 | 41 km NW of Mae Chai, Thailand | M5.2 | 58 km | 33 km |
| May 6, 2014 | 31 km SW of Chiang Rai, Thailand | M5.0 | 63 km | 10 km |
| May 6, 2014 | 42 km SE of Fang, Thailand | M5.0 | 64 km | 10 km |
| Dec 9, 1995 | 9 km ENE of Rong Kwang, Thailand | M4.7 | 106 km | 10 km |
| Jul 7, 2021 | 53 km NE of Chiang Klang, Thailand | M4.7 | 145 km | 10 km |
| Dec 21, 1996 | 9 km NE of Ban Houayxay, Laos | M4.7 | 142 km | 33 km |
| Feb 20, 2019 | 26 km SW of Mae Chai, Thailand | M4.6 | 28 km | 10 km |
| May 6, 2014 | 40 km SW of Chiang Rai, Thailand | M4.6 | 66 km | 10 km |
| May 5, 2014 | 32 km SSW of Chiang Rai, Thailand | M4.6 | 57 km | 10 km |
| Aug 24, 2014 | 44 km SSE of Fang, Thailand | M4.5 | 62 km | 20 km |
| Jul 2, 2002 | 44 km N of Chiang Klang, Thailand | M4.5 | 111 km | 33 km |
| Dec 21, 1995 | 52 km SSW of Fang, Thailand | M4.5 | 90 km | 41 km |
| May 7, 2014 | 38 km SW of Chiang Rai, Thailand | M4.5 | 60 km | 10 km |
| May 5, 2014 | 31 km SSW of Chiang Rai, Thailand | M4.4 | 58 km | 10 km |
| Nov 11, 2001 | 13 km W of Pa Daet, Thailand | M4.4 | 35 km | 33 km |
| May 5, 2014 | 27 km SW of Chiang Rai, Thailand | M4.4 | 70 km | 10 km |
| May 12, 2014 | 29 km SSW of Chiang Rai, Thailand | M4.3 | 56 km | 10 km |
| May 6, 2014 | 39 km NW of Mae Chai, Thailand | M4.3 | 57 km | 10 km |
| May 5, 2014 | 38 km NW of Mae Chai, Thailand | M4.3 | 57 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
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").