December weather forecast
Capri, Italy

Ships on the clear waters with the Faraglioni stone rocks in the Giardini di Augusto in Capri, Italy
Ships on the clear waters with the Faraglioni stone rocks in the Giardini di Augusto in Capri, Italy

Weather in December

The first month of the winter, December, is still a mild month in Capri, Italy, with temperature in the range of an average high of 14.7°C (58.5°F) and an average low of 12.6°C (54.7°F).

Temperature

In December, the average high-temperature slightly decreases, from an enjoyable 18.1°C (64.6°F) in November, to a mild 14.7°C (58.5°F). In Capri, the average low-temperature is 12.6°C (54.7°F).

Humidity

In Capri, Italy, the average relative humidity in December 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, Italy. Snow falls for 0.1 days.

Sea temperature

In Capri, Italy,, the average water temperature is 16.4°C (61.5°F).
Note: For most, swimming in 16.4°C (61.5°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year in Capri, with an average of 9.3h of daylight.

Sunshine

The average sunshine in December is 6.1h.

UV index

In Capri, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from the exposure to the Sun's UV radiation for average individuals.
Note: In December, the average maximum UV index of 4 translate into the following recommendations:
Take precautions - Protection against the skin and eye damage is obliged. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Capri?

In December, the average relative humidity in Capri is 67%.

How many days does it rain in December in Capri?

In Capri, Italy, in December, it is raining for 15.8 days, with typically 76mm (2.99") of accumulated precipitation.

What is the snowiest month in Capri?

December has the most snowfall days of the year in Capri, Italy. Snow falls for 0.1 days.

When does it start to snow in Capri?

December is the first month it typically snows in Capri, Italy. Throughout December, there are 0.1 snowfall days.

How cold is the water in December in Capri?

In Capri, in December, the average water temperature is 16.4°C (61.5°F). For most, swimming in 16.4°C (61.5°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

What is the month with the shortest days in Capri?

December has the shortest days of the year, with an average of 9.3h of daylight.

What is the average length of the day in December in Capri?

In December, the average length of the day in Capri is 9.3h.

How long on average sun shines in December in Capri?

In Capri, the average sunshine in December is 6.1h.

What is the UV index intensity in December in Capri?

In December, the average daily maximum UV index in Capri is 4. A UV Index value of 3 to 5 symbolizes a medium health risk from unsafe exposure to the Sun's UV rays.

Average temperature in December
Capri, Italy

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).
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).

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Average pressure in December
Capri, Italy

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).

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Average wind speed in December
Capri, Italy

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).

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Average humidity in December
Capri, Italy

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%).

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Average rainfall in December
Capri, Italy

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).

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Average rainfall days in December
Capri, Italy

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).

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Average snowfall days in December
Capri, Italy

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).
Months with the least snowfall days are January, February, March, April, May, June, July, August, September, October and November (0 days).

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Average sea temperature in December
Capri, Italy

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).

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Average daylight in December /
Average sunshine in December
Capri, Italy

Average daylight in December / Average sunshine in December - Capri, Italy
  • Average daylight in December: 9.3h

The month with the longest days is June (Average daylight: 15h).
The month with the shortest days is December (Average daylight: 9.3h).

  • Average sunshine in December: 6.1h

Months with the most sunshine are June, July and August (Average sunshine: 12h).
The month with the least sunshine is January (Average sunshine: 5.6h).

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Average sunshine days in December
Capri, Italy

Average sunshine days in December - Capri, Italy
  • Average sunshine days in December: 12.5 days

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).

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Average UV index in December
Capri, Italy

Average UV index in December - Capri, Italy
  • Average UV index in December: 4

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).

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Average cloud cover in December
Capri, Italy

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).

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Average visibility in December
Capri, Italy

Average visibility in December - Capri, Italy
  • Average visibility in December: 10km

Months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
Months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).

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