Koh Tao Weather in August
Thinking of visiting Koh Tao in August? Expect high temperatures reaching 30°C (86°F) during the day, dropping to 27°C (81°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Koh Tao in August
You can typically expect 19 days of rain this month, averaging around 150 mm (5.9 in). Expect frequent rainfall this month, and not just light drizzle. When it rains, it tends to come down hard.
Temperature in Koh Tao in August
If you're visiting Koh Tao in August, expect highs of 30°C (86°F) and overnight lows around 27°C (81°F). Overall, the month follows a fairly predictable daily temperature pattern. With overnight lows of 27°C (81°F), nights stay very warm. Air conditioning makes a real difference if you're sensitive to heat. A cold shower before bed can also help you get to sleep more comfortably.
Sunshine in Koh Tao in August
With about 153 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.Our weather planner can help you find worldwide destinations with pleasant weather during this period. January and February typically offer the best weather for Koh Tao.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Tao's climate page.
Koh Tao Temperature in August
Min Temperature
27°C (81°F)
Max Temperature
30°C (86°F)
Chance of Rain
64%
Precipitation
150 mm (5.9 in)
Rainy days
19 days
Humidity
79% *
Sunshine
153 hours *
Percentage Sunshine
*
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Koh Tao typically stay consistent throughout August, with daily highs averaging around 30°C (86°F). Nights are warm, with lows around 26°C (79°F).
Average temperatures in August
Daily Historical Precipitation
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Koh Tao in August
Browse day-by-day weather records for Koh Tao spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Koh Tao historical weather extremes in August
According to our 43 years of weather records for Koh Tao, the following extremes were recorded between 1982 and 2025.
- On August 4, 1990, temperatures climbed to 40°C (104°F), marking the warmest August day on record.
- The coldest August day was on August 24, 1997, with a maximum of 25°C (77°F).
- Nighttime temperatures dropped to 22°C (72°F) on August 31, 1995, marking the coldest August night on record.
Best Places in Thailand in August
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Koh Tao in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Koh Tao in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Thailand, check out our Koh Tao's climate page.
Temperature Rainfall Sunshine Humidity
See the full Koh Tao climate overview or explore weather in Thailand.
