Weather in Ischia: December
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Average day temperature: | 58.1°F |
Average night temperature: | 55.8°F | |
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Sea water temperature: | 63.3°F |
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Number of sunny days: | 14 days |
Day length: | 9.2 - 9.5 hours | |
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Number of rainy days: | 6 days |
Precipitation totals: | 3.1 in. | |
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Ischia |
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Ischia |
Air temperature in December, °F
Day temperature | Night temperature |
The highest day temperature during December of 2024 was 59°F. At the same time the lowest night temperature was 48°F. Daily and nightly averages during December were 56.8°F and 56.2°F.
Sea water temperature in Ischia in December, °F
The average sea water temperature in December of 2024 was 64.8°F. The highest and lowest sea temperatures during the month were 66.2°F and 62.8°F.
Sunny days | |
Partly cloudy days | |
Cloudy days |
Number of sunny, partly cloudy and cloudy days in December is almost equal.
Precipitation total in December, in.
Precipitation total value in Ischia in December is 3.0 in. Other months of the year show relatively similar values.
The average wind speed value in December is 12.1 mph It makes December one of the most windy months of the year.
This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in December is: 5.2.
Best time for vacation in Ischia
Ischia on a weather map

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