The highest day temperature in August 2026 was 91°F. The lowest night temperature was 53°F. The average values for day and night temperatures during August were 86.8°F и 84.5°F respectivly.

The average sea surface temperature in August 2026 for Ischia was 89.5°F. The maximum and minimum values were 88.6°F and 90.6°F respectively.

Most of the days in August are sunny but you can also expect cloudy and gloomy days.

Precipitation total in August for Ischia is 0.4 in. It makes august the least rainy month of the year.

The average wind speed in August is 8.0 mph. It makes August one of the most windless months of the year for Ischia.

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 Ischia in August is 12.1 hours.