The highest day temperature in August 2025 was 104°F. The lowest night temperature was 74°F. The average values for day and night temperatures during August were 95.2°F и 80.1°F respectivly.

The average sea surface temperature in August 2025 for Fethiye was 87.7°F. The maximum and minimum values were 85.8°F and 90.2°F respectively.

Almost all days in August are sunny. There is very low probability of clouds or gloomy days.

Precipitation total in August for Fethiye is 0.1 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 5.6 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 Fethiye in August is 13.0 hours.