The highest day temperature in July 2025 was 86°F. The lowest night temperature was 76°F. The average values for day and night temperatures during July were 80.3°F и 79.0°F respectivly.

The average sea surface temperature in July 2025 for Santorini was 78.7°F. The maximum and minimum values were 74.0°F and 82.8°F respectively.

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

Precipitation total in July for Santorini is 0.0 in. It makes july the least rainy month of the year.

The average wind speed in July is 15.3 mph.

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 Santorini in July is 14.1 hours.