In Koh Tao, April brings very high daytime temperatures around 31°C (88°F), with nights cooling to 28°C (82°F). Expect quite a bit of rainfall this month.
If your ideal day consists of dry skies and pleasant temperatures, January and February typically offer the best circumstances for Koh Tao.
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Pick a month to see the average temperature, rainfall and sunshine in Koh Tao - and find the best time to visit.
49-year average (1976-2025)
Based on our historical records, temperatures in Koh Tao typically stay consistent throughout April, with daily highs averaging around 31°C (88°F). Nights are warm, with lows around 27°C (81°F).
49-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
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.
Based on weather observations in Koh Tao between 1984 and 2026, these are the recorded extremes during April.
Find out more about the weather in Thailand and which places have the best travel conditions in this month. See all of Thailand in April →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm weather calls for comfortable, breathable clothing in April. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity
See the full Koh Tao climate overview or explore weather in Thailand.
Where to go in April - average daytime high across popular destinations.
Chiang Mai
38°C (100°F) Bangkok
37°C (99°F) Jomtien Beach33°C (91°F) Hua Hin34°C (93°F) Ao Nang Beach
32°C (90°F) Ko Lanta31°C (88°F) Koh Samui31°C (88°F) Patong Beach
30°C (86°F) Need travel inspiration? Check out our bucket list articles and be inspired.
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