Measurements:
°C
°F
Ischia
60°F
E 26 mph
Feels like: 60°F
Precip: 100%
World Resorts Italy Ischia Weather December Weather in Ischia

Ischia Weather: December

Average Day Temperature: 58.9°F
Average Night Temperature: 56.6°F
Sea Water Temperature: 64.8°F
Number of Sunny Days: 14 days
Sunshine Hours: 9.2 - 9.5 hours
Number of Rainy Days: 5 days
Precipitation Totals: 3.0 in

Air Temperature in December, °F

Select Year: 2025 2024 2023

The highest day temperature in December 2025 was 62°F. The lowest night temperature was 51°F. The average values for day and night temperatures during December were 58.7°F и 58.5°F respectivly.

Ischia Water Sea Temperature in December, °F

Select Year: 2025 2024 2023

The average sea surface temperature in December 2025 for Ischia was 65.3°F. The maximum and minimum values were 63.8°F and 66.4°F respectively.

Sunny, Cloudy and Gloomy days

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

Precipitation Totals in December, in

Precipitation total in December for Ischia is 3.0 in. It makes december one of the most rainy months of the year.

Wind Speed in December, mph

The average wind speed in December is 11.0 mph. It makes December one of the most windy months of the year for Ischia.

Average Sunny Hours Per Day

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.

Best Time to Visit Ischia
The most sunny months:
July 28 days
August 27 days
June 26 days
The most warm months:
August 85.9 °F
July 85.0 °F
September 80.0 °F
Warmest sea temperature:
August 83.9 °F
July 82.6 °F
September 80.2 °F
The most cold months:
January 55.6 °F
February 55.9 °F
March 58.3 °F
The most rainy months:
November 8 days
January 6 days
December 5 days
The most windy months:
January 12 mph
November 11 mph
February 11 mph

Ischia on the Weather Map

Italy Resorts:
NAME
Amalfi +54
Bari +58
Cagliari +60
Catania +60
Florence +50
Genoa +48
Naples +58
Palermo +58
Pisa +54
Reggio di Calabria +60
Rimini +44
Rome +56
Scalea +46
Sicily +50
Venice +34
24 Hours Weather Forecast
Ischia
Local time: 13:36
09 jan, friday
1500 60°F
E
26 mph
1800 60°F
E
28 mph
2100 58°F
E
32 mph
10 jan, saturday
0000 58°F
E
29 mph
0300 56°F
E
26 mph
0600 56°F
E
36 mph
0900 56°F
E
40 mph
1200 54°F
E
40 mph