The highest day temperature in July 2025 was 89°F. The lowest night temperature was 77°F. The average values for day and night temperatures during July were 83.5°F и 82.8°F respectivly.

The average sea surface temperature in July 2025 for Skiathos was 83.2°F. The maximum and minimum values were 80.2°F and 86.2°F respectively.

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

Precipitation total in July for Skiathos is 1.1 in. It makes july one of the least rainy months of the year.

The average wind speed in July is 8.4 mph. It makes July one of the most windless months of the year for Skiathos.

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 Skiathos in July is 13.3 hours.