Capri
Italy
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
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
The first month of the winter, December, is also a fresh month in Capri, Italy, with average temperature fluctuating between 12°C (53.6°F) and 7°C (44.6°F).

Temperature

The coldest months are January, February and December, with an average high-temperature of 12°C (53.6°F).

Rainfall

In Capri, it is raining for 15 days, with typically 102mm (4") of accumulated precipitation. Throughout the year, there are 130 rainfall days, and 762mm (30") of precipitation is accumulated.

Sea temperature

In Capri, the average water temperature is 16.4°C (61.5°F). Swimming in 16.4°C (61.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

Daylight

The month with the shortest days in Capri is December, with an average of 9.3h of daylight.

Sunshine

January, February, November and December, with an average of 4h of sunshine, are months with the least sunshine in Capri, Italy.

UV index

The month with the lowest UV index in Capri, Italy, is December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to the Sun's UV rays for the ordinary person.
The daily maximum UV index of 1 in December interpret into the following advice:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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.

What are the coldest months in Capri?

January, February and December, with an average high-temperature of 12°C (53.6°F), are the coldest months in Capri, Italy.

What is the temperature in December in Capri?

The average high-temperature, in December, is 12°C (53.6°F), while the average low-temperature is 7°C (44.6°F).

How many days does it rain in December in Capri?

In Capri, Italy, in December, during 15 rainfall days, 102mm (4") of precipitation is typically accumulated.

What is the sea temperature in December in Capri?

In Capri, in December, the average water temperature is 16.4°C (61.5°F). For swimming, a surface water temperature of 16.4°C (61.5°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

What is the month with the shortest days in Capri?

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

How many hours of daylight does Capri have in December?

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

What is the month with the least sunshine in Capri?

Months with the least sunshine are January, February, November and December, with an average of 4h of sunshine.

How long on average sun shines in December in Capri?

The average sunshine in December is 4h.

What is the month with the lowest UV index in Capri?

December is the month with the lowest UV index in Capri, Italy, with an average maximum UV index of 1.

What is the UV index intensity in December in Capri?

In Capri, Italy, the average daily maximum UV index in December is 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from the exposure to the Sun's UV radiation.
Average temperature in December - Capri, Italy
  • Average high temperature in December: 12°C

Warmest months (with the highest average high temperature) are July and August (28°C).
Months with the lowest average high temperature are January, February and December (12°C).

  • Average low temperature in December: 7°C

The month with the highest average low temperature is August (19°C).
Coldest months (with the lowest average low temperature) are January and February (5°C).

Average rainfall in December - Capri, Italy
  • Average rainfall in December: 102mm

The wettest month (with the highest rainfall) is November (120mm).
Driest months (with the lowest rainfall) are June and July (23mm).

Average rainfall days in December - Capri, Italy
  • Average rainfall days in December: 15 days

Months with the highest number of rainy days are November and December (15 days).
The month with the lowest number of rainy days is July (4 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: 9.3h

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

  • Average sunshine in December: 4h

Months with most sunshine are July and August (Average sunshine: 10h).
Months with least sunshine are January, February, November and December (Average sunshine: 4).

Average UV index in December - Capri, Italy
  • Average UV index in December: 1

Months with the highest UV index are June and July (UV index 9).
The month with the lowest UV index is December (UV index 1).