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Weather & Climate in Koh Tao, Thailand
Temperature, precipitation, air quality, natural hazards, and monthly weather data.
Koh Tao has a warm climate with an average annual temperature of 80°F (27°C). Winters average 78°F in January while summers reach 82°F in July / relatively mild seasonal variation. The area gets 230 sunny days per year, above the national average. Annual precipitation totals 59.7 inches (wetter than the 38-inch national average). The city sits at an elevation of 312 feet.
Temperature
78°F Jan (25°C)
82°F Jul (28°C)
| Annual Average | 80.3°F |
| 49% above US avg | |
| January Average | 78°F (25°C) |
| July Average | 82°F (28°C) |
| Sunny Days | 230 days/yr |
Geography
| Elevation | 312 ft (95 m) |
| Area | 313.9 sq mi (812.9 km²) |
| Population Density | 4/sq mi |
| Coordinates | 10.0981°N, 99.8381°W |
| Timezone | Asia/Bangkok |
Precipitation & Snow
Air Quality
Hurricane History
2 hurricanes (Category 1+) recorded within 500 km since 1980. Strongest on record: Category 3.
| Year | Name | Category | Max Wind | Closest |
| 1997 | Linda | Category 1 | 52 mph | 162 km |
| 1989 | Gay | Category 3 | 132 mph | 53 km |
Source: NOAA IBTrACS (Category 1+, 1980–2026).
Monthly Weather
| Month | Avg Temperature | Precipitation | Summary |
|---|---|---|---|
| January | 78°F (25°C) | 2.8 in | |
| February | 79°F (26°C) | 2.0 in | Driest |
| March | 81°F (27°C) | 2.9 in | |
| April | 83°F (28°C) | 2.8 in | Warmest |
| May | 83°F (28°C) | 4.7 in | |
| June | 82°F (28°C) | 3.4 in | |
| July | 82°F (28°C) | 3.3 in | |
| August | 81°F (27°C) | 4.3 in | |
| September | 81°F (27°C) | 4.6 in | |
| October | 80°F (26°C) | 10.0 in | |
| November | 78°F (26°C) | 14.1 in | Wettest |
| December | 77°F (25°C) | 4.9 in | Coldest |
Koh Tao has a seasonal temperature swing of 6°F / from 77°F in December to 83°F in April. Total annual precipitation is 59.7 inches, with November being the wettest month (14.1") and February the driest (2.0").