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Weather & Climate in Lan Sak, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Lan Sak has a warm climate with an average annual temperature of 82°F (28°C). Winters average 78°F in January while summers reach 83°F in July / relatively mild seasonal variation. The area gets 250 sunny days per year, above the national average. Annual precipitation totals 47.1 inches (wetter than the 38-inch national average). The city sits at an elevation of 367 feet.
Temperature
78°F Jan (26°C)
83°F Jul (28°C)
| Annual Average | 81.8°F |
| 51% above US avg | |
| January Average | 78°F (26°C) |
| July Average | 83°F (28°C) |
| Sunny Days | 250 days/yr |
Geography
| Elevation | 367 ft (112 m) |
| Area | 711.8 sq mi (1,843.6 km²) |
| Population Density | 20/sq mi |
| Coordinates | 15.4529°N, 99.5761°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Earthquake History
4 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M4.4.
| Jul 14, 2015 | 4 km SSE of Sangkhla Buri, Thailand | M4.4 | 124 km | 14 km |
| Nov 3, 1990 | 67 km NNW of Bo Phloi, Thailand | M4.2 | 82 km | 10 km |
| May 28, 1990 | 65 km ESE of Sangkhla Buri, Thailand | M4.1 | 95 km | 33 km |
| Jun 28, 2023 | 24 km NNE of Khanu Woralaksaburi, Thailand | M4.1 | 99 km | 11 km |
Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (26°C) | 0.2 in | Driest |
| February | 82°F (28°C) | 0.6 in | |
| March | 85°F (29°C) | 1.6 in | |
| April | 88°F (31°C) | 3.0 in | Warmest |
| May | 85°F (29°C) | 6.4 in | |
| June | 83°F (29°C) | 4.6 in | |
| July | 83°F (28°C) | 4.8 in | |
| August | 82°F (28°C) | 5.9 in | |
| September | 82°F (28°C) | 9.6 in | Wettest |
| October | 81°F (27°C) | 8.3 in | |
| November | 79°F (26°C) | 2.0 in | |
| December | 76°F (24°C) | 0.2 in | Coldest |
Lan Sak has a seasonal temperature swing of 12°F / from 76°F in December to 88°F in April. Total annual precipitation is 47.1 inches, with September being the wettest month (9.6") and January the driest (0.2").