December weather forecastCapri, Italy

December
Weather in December
Wrapping up the year, December brings cooler conditions to Capri as winter sets in, with the average high temperature dropping to 14.7°C (58.5°F). The rain-soaked landscape is characterized by fewer daylight hours and a gradual increase in humidity levels. Despite the occasional chill, the Island maintains its ethereal beauty, offering a unique winter charm. Strikingly, a rarity in Capri's climate is witnessed - snowfall can be anticipated, albeit, at a minimal 0.1 day on average. Closing on a quieter note, December transforms the bustling summer hotspot into a tranquil winter retreat, promising a unique, serene experience.Temperature
December is characterized by a mild reduction in the average high-temperature, from an enjoyable 18.1°C (64.6°F) in November to a still refreshing 14.7°C (58.5°F). Capri registers a steady nighttime temperature averaging a fresh 12.6°C (54.7°F) throughout December.Humidity
The average relative humidity in December in Capri is 67%.Rainfall
In December, in Capri, the rain falls for 15.8 days. Throughout December, 76mm (2.99") of precipitation is accumulated. Throughout the year, there are 154.7 rainfall days, and 815mm (32.09") of precipitation is accumulated.Snowfall
December is the only month when snow falls. December has the most snowfall days of the year in Capri. Snow falls for 0.1 days.Sea temperature
In Capri, Italy, the average seawater temperature in December is 16.4°C (61.5°F).Note: Swimming is not enjoyable for most people in water that is 16.4°C (61.5°F). As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing control becomes harder.
Daylight
December has the shortest days of the year in Capri, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 07:07 and sunset at 16:36. On the last day of the month, sunrise is at 07:26 and sunset at 16:46 CET.
Sunshine
The average sunshine in December is 6.1h.UV index
In December, the average daily maximum UV index in Capri is 4. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 4 suggests this advice:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. When the Sun is at its strongest around midday, find shade and limit exposure. Boost your sun resistance with garments that are densely woven yet spacious. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Capri, Italy
- Average high temperature in December: 14.7°C
The warmest month (with the highest average high temperature) is August (27.3°C).
The months with the lowest average high temperature are January and February (13.1°C).
- Average low temperature in December: 12.6°C
The month with the highest average low temperature is August (24.8°C).
The coldest months (with the lowest average low temperature) are January and February (10.8°C).
Average pressure in December
Capri, Italy
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014.1mbar).
Average wind speed in December
Capri, Italy
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is February (19.5km/h).
The calmest month (with the lowest average wind speed) is August (11.1km/h).
Average humidity in December
Capri, Italy
- Average humidity in December: 67%
The month with the highest relative humidity is April (73%).
The month with the lowest relative humidity is September (66%).
Average rainfall in December
Capri, Italy
- Average rainfall in December: 76mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is August (11mm).
Average rainfall days in December
Capri, Italy
- Average rainfall days in December: 15.8 days
The month with the highest number of rainy days is November (17.6 days).
The month with the least rainy days is August (4.3 days).
Average snowfall days in December
Capri, Italy
- Average snowfall days in December: 0.1 days
The month with the highest number of snowfall days is December (0.1 days).
The months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Capri, Italy
- Average sea temperature in December: 16.4°C
The best month for swimming (with the highest average sea temperature) is August (26°C).
The coldest month (with the lowest average sea temperature) is February (13.9°C).
Average daylight in December /
Average sunshine in December
Capri, Italy
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 6min
The months with the most sunshine are June, July and August (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Capri, Italy
- Average sunshine days in December: 12.5 days
The months with the most sunshine days are July and August (24.2 days).
The month with the least sunshine days is February (9.5 days).
Average UV index in December
Capri, Italy
- Average UV index in December: 4
The months with the highest UV index are July and August (UV index 7).
The month with the lowest UV index is January (UV index 3).
Average cloud cover in December
Capri, Italy
- Average cloud cover in December: 34
The month with the most cloud cover is January (Cloud cover 42).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Capri, Italy
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).





