Koh Tao weather in April
Temperature, sea and sunshine in April: long-term averages from 30 years of weather data, not a forecast.
Holiday weather in April
Excellent
Best time to visit: December – April
What is the weather like in Koh Tao in April?
In April, Koh Tao is hot: daytime highs average 29 °C, and even at night it stays warm at around 27 °C. The sea averages 30.0 °C – almost as warm as a bath. The sun shines for around 8 hours a day. Rain is frequent, with about 13 rainy days and 102 mm in total. The air is often humid and muggy. All in all, April is an excellent month for a holiday in Koh Tao.
April compared
How the weather changes from March to May. Tap a month to open it.
More details for April
- Daylight
- 12 h 21 min06:11 – 18:31
- UV index
- 14 · extremeclear sky, noon (estimate)All months
- Muggy days
- 30 daysdew point 18 °C or moreAll months
- Wind
- 19 km/haverage daily peakAll months
- Cloud cover
- 59 %on averageAll months
- Hot days
- 2 days30 °C or moreAll months
- Time zone
- UTC+7Asia/Bangkok
How the score comes together
- Temperatureweight 35 %100 %
- Seaweight 25 %100 %
- Sunshineweight 20 %83 %
- Few rainy daysweight 20 %37 %
Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.
What to pack in April
- Swimwear
- Sunscreen
- Sunglasses & sun hat
- Light, breathable clothes
- Insect repellent
- Rain jacket or umbrella
Koh Tao in April: quick answers
Is Koh Tao hot in April?
Yes. In April, Koh Tao is hot: daytime highs average 29 °C and nights stay around 27 °C. On about 2 days the thermometer climbs to 30 °C or more.
Can you swim in Koh Tao in April?
Yes. In April the sea averages 30.0 °C – almost as warm as a bath.
Does it rain much in Koh Tao in April?
Rain is frequent, with about 13 rainy days and 102 mm in total.
Koh Tao month by month
The whole year in Koh TaoAll destinations: ThailandWhere to go in AprilSea temperature in April
Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences