The highest day temperature in August 2025 was 97°F. The lowest night temperature was 77°F. The average values for day and night temperatures during August were 91.2°F и 79.5°F respectivly.

The average sea surface temperature in August 2025 for Surat Thani was 89.2°F. The maximum and minimum values were 88.0°F and 90.8°F respectively.

Most of the days in August are cloudy but you can also expect sunny or gloomy days.

Precipitation total in August for Surat Thani is 4.3 in.

The average wind speed in August is 7.4 mph. This value is relatively stable throughout the year.

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 Surat Thani in August is 7.2 hours.