The highest day temperature in July 2025 was 92°F. The lowest night temperature was 82°F. The average values for day and night temperatures during July were 88.6°F и 85.4°F respectivly.

The average sea surface temperature in July 2025 for Koh Lan was 89.3°F. The maximum and minimum values were 88.6°F and 89.8°F respectively.

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

Precipitation total in July for Koh Lan is 6.3 in. It makes july one of the most rainy months of the year.

The average wind speed in July is 11.3 mph. It makes July the most windy month of the year for Koh Lan.

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 Lan in July is 6.1 hours.