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Weather & Climate in Wiang Sa, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Wiang Sa has a warm climate with an average annual temperature of 77°F (25°C). Winters average 68°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 335 sunny days per year, well above the U.S. average of 205 / making it one of the sunnier locations in the country. Annual precipitation totals 57.4 inches (wetter than the 38-inch national average). The city sits at an elevation of 689 feet.
Temperature
68°F Jan (20°C)
81°F Jul (27°C)
| Annual Average | 77.4°F |
| 43% above US avg | |
| January Average | 68°F (20°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 335 days/yr |
Geography
| Elevation | 689 ft (210 m) |
| Area | 301.6 sq mi (781.2 km²) |
| Population Density | 0/sq mi |
| Coordinates | 18.5986°N, 100.7410°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
9 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.4.
| Jan 19, 2000 | 73 km NE of Chiang Klang, Thailand | M5.4 | 148 km | 33 km |
| Dec 9, 1995 | 9 km ENE of Rong Kwang, Thailand | M4.7 | 44 km | 10 km |
| Jul 7, 2021 | 53 km NE of Chiang Klang, Thailand | M4.7 | 128 km | 10 km |
| Feb 20, 2019 | 26 km SW of Mae Chai, Thailand | M4.6 | 136 km | 10 km |
| Feb 23, 2011 | 37 km S of Sainyabuli, Laos | M4.6 | 110 km | 10 km |
| Jul 2, 2002 | 44 km N of Chiang Klang, Thailand | M4.5 | 122 km | 33 km |
| Mar 31, 1999 | 31 km NNW of Sainyabuli, Laos | M4.5 | 140 km | 10 km |
| Nov 11, 2001 | 13 km W of Pa Daet, Thailand | M4.4 | 136 km | 33 km |
| Mar 27, 2004 | 32 km S of Nan, Thailand | M3.8 | 13 km | 13 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 68°F (20°C) | 0.2 in | Coldest, Driest |
| February | 73°F (23°C) | 0.4 in | |
| March | 79°F (26°C) | 1.2 in | |
| April | 83°F (28°C) | 3.4 in | Warmest |
| May | 82°F (28°C) | 6.6 in | |
| June | 82°F (28°C) | 5.4 in | |
| July | 81°F (27°C) | 8.1 in | |
| August | 80°F (27°C) | 9.6 in | Wettest |
| September | 80°F (26°C) | 7.7 in | |
| October | 78°F (26°C) | 3.1 in | |
| November | 74°F (23°C) | 1.0 in | |
| December | 69°F (21°C) | 0.3 in |
Wiang Sa has a seasonal temperature swing of 14°F / from 68°F in January to 83°F in April. Total annual precipitation is 47.0 inches, with August being the wettest month (9.6") and January the driest (0.2").