The highest day temperature in July 2025 was 90°F. The lowest night temperature was 86°F. The average values for day and night temperatures during July were 87.6°F и 86.7°F respectivly.

The average sea surface temperature in July 2025 for Ko Phangan was 89.1°F. The maximum and minimum values were 88.6°F and 89.6°F respectively.

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

Precipitation total in July for Ko Phangan is 4.9 in.

The average wind speed in July is 13.1 mph. It makes July the most windy month of the year for Ko Phangan.

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 Ko Phangan in July is 6.7 hours.