The highest day temperature in April 2025 was 96°F. The lowest night temperature was 80°F. The average values for day and night temperatures during April were 90.2°F и 81.4°F respectivly.

The average sea surface temperature in April 2025 for Koh Lanta was 91.6°F. The maximum and minimum values were 90.2°F and 93.0°F respectively.

Most of the days in April are sunny but you can also expect cloudy and gloomy days.

Precipitation total in April for Koh Lanta is 4.6 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 7.9 mph. It makes April the most windless month of the year for Koh Lanta.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Koh Lanta in April is 8.4 hours.