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Weather & Climate in Chiang Saen, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Chiang Saen has a warm climate with an average annual temperature of 78°F (26°C). Winters average 69°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 217 sunny days per year. Annual precipitation totals 69.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 1,224 feet.
Temperature
69°F Jan (21°C)
82°F Jul (28°C)
| Annual Average | 77.9°F |
| 44% above US avg | |
| January Average | 69°F (21°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 217 days/yr |
Geography
| Elevation | 1,224 ft (373 m) |
| Area | 298.7 sq mi (773.7 km²) |
| Population Density | 36/sq mi |
| Coordinates | 20.2751°N, 100.0869°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
88 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M6.9.
| Mar 24, 2011 | 27 km NNW of Tachilek, Myanmar | M6.9 | 54 km | 8 km |
| May 16, 2007 | 40 km NE of Ban Houakhoua, Laos | M6.3 | 72 km | 9 km |
| May 5, 2014 | 32 km SSW of Chiang Rai, Thailand | M6.1 | 82 km | 6 km |
| Jul 21, 2022 | 53 km S of K?ng Tung, Myanmar | M5.9 | 100 km | 5 km |
| Mar 24, 2011 | 25 km NNW of Tachilek, Myanmar | M5.7 | 53 km | 10 km |
| Jun 23, 2007 | 114 km N of Tachilek, Myanmar | M5.6 | 137 km | 22 km |
| Jun 23, 2007 | 98 km WSW of Jinghong, China | M5.4 | 143 km | 12 km |
| Jan 19, 2000 | 73 km NE of Chiang Klang, Thailand | M5.4 | 135 km | 33 km |
| Sep 11, 1994 | 41 km NW of Mae Chai, Thailand | M5.2 | 97 km | 33 km |
| May 6, 2014 | 42 km SE of Fang, Thailand | M5.0 | 97 km | 10 km |
| Mar 25, 2011 | 29 km N of Tachilek, Myanmar | M5.0 | 53 km | 10 km |
| May 6, 2014 | 31 km SW of Chiang Rai, Thailand | M5.0 | 80 km | 10 km |
| Mar 26, 2011 | 40 km NE of Tachilek, Myanmar | M5.0 | 51 km | 28 km |
| Jul 21, 2022 | 58 km S of K?ng Tung, Myanmar | M4.9 | 95 km | 10 km |
| Jul 21, 2022 | 53 km S of K?ng Tung, Myanmar | M4.9 | 99 km | 10 km |
| May 6, 2013 | 24 km N of Tachilek, Myanmar | M4.9 | 50 km | 36 km |
| Mar 19, 2010 | 91 km SW of Jinghong, China | M4.9 | 127 km | 10 km |
| Jul 15, 1999 | 121 km NNW of Tachilek, Myanmar | M4.8 | 149 km | 33 km |
| Jun 28, 1999 | 114 km NNW of Tachilek, Myanmar | M4.8 | 141 km | 33 km |
| Jul 29, 2022 | 65 km S of K?ng Tung, Myanmar | M4.8 | 87 km | 10 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 69°F (21°C) | 0.3 in | Coldest, Driest |
| February | 74°F (23°C) | 0.6 in | |
| March | 78°F (26°C) | 0.9 in | |
| April | 83°F (28°C) | 3.6 in | |
| May | 83°F (29°C) | 8.4 in | Warmest |
| June | 82°F (28°C) | 8.4 in | |
| July | 82°F (28°C) | 13.7 in | |
| August | 81°F (27°C) | 15.2 in | Wettest |
| September | 80°F (27°C) | 10.8 in | |
| October | 79°F (26°C) | 4.6 in | |
| November | 74°F (23°C) | 2.1 in | |
| December | 69°F (21°C) | 0.6 in |
Chiang Saen has a seasonal temperature swing of 14°F / from 69°F in January to 83°F in May. Total annual precipitation is 69.2 inches, with August being the wettest month (15.2") and January the driest (0.3").