The highest day temperature in December 2023 was 68°F. The lowest night temperature was 47°F. The average values for day and night temperatures during December were 59.0°F и 57.5°F respectivly.

The average sea surface temperature in December 2023 for Ischia was 65.5°F. The maximum and minimum values were 63.0°F and 68.0°F respectively.

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

Precipitation total in December for Ischia is 3.3 in. It makes december one of the most rainy months of the year.

The average wind speed in December is 11.0 mph. It makes December one of the most windy 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 December is 5.8 hours.