The highest day temperature in August 2025 was 93°F. The lowest night temperature was 78°F. The average values for day and night temperatures during August were 87.8°F и 81.0°F respectivly.

The average sea surface temperature in August 2025 for Poros was 83.6°F. The maximum and minimum values were 81.4°F and 85.2°F respectively.

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

Precipitation total in August for Poros is 0.2 in. It makes august one of the least rainy months of the year.

The average wind speed in August is 9.2 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 Poros in August is 12.6 hours.