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Weather & Climate in Tha Li, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Tha Li has a warm climate with an average annual temperature of 79°F (26°C). Winters average 65°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 330 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 54.6 inches (wetter than the 38-inch national average). The city sits at an elevation of 879 feet.
Temperature
65°F Jan (19°C)
81°F Jul (27°C)
| Annual Average | 78.7°F |
| 46% above US avg | |
| January Average | 65°F (19°C) |
| July Average | 81°F (27°C) |
| Sunny Days | 330 days/yr |
Geography
| Elevation | 879 ft (268 m) |
| Area | 303.8 sq mi (786.9 km²) |
| Population Density | 0/sq mi |
| Coordinates | 17.6236°N, 101.4210°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
3 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.7.
| Dec 9, 1995 | 9 km ENE of Rong Kwang, Thailand | M4.7 | 137 km | 10 km |
| Feb 23, 2011 | 37 km S of Sainyabuli, Laos | M4.6 | 147 km | 10 km |
| Mar 27, 2004 | 32 km S of Nan, Thailand | M3.8 | 117 km | 13 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 65°F (19°C) | 0.1 in | Coldest, Driest |
| February | 76°F (24°C) | 0.5 in | |
| March | 81°F (27°C) | 1.5 in | |
| April | 84°F (29°C) | 3.5 in | Warmest |
| May | 83°F (28°C) | 7.1 in | |
| June | 82°F (28°C) | 6.8 in | |
| July | 81°F (27°C) | 6.4 in | |
| August | 81°F (27°C) | 7.8 in | |
| September | 80°F (27°C) | 8.9 in | Wettest |
| October | 78°F (26°C) | 4.1 in | |
| November | 75°F (24°C) | 0.6 in | |
| December | 71°F (21°C) | 0.1 in |
Tha Li has a seasonal temperature swing of 19°F / from 65°F in January to 84°F in April. Total annual precipitation is 47.4 inches, with September being the wettest month (8.9") and January the driest (0.1").