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 moderate month in Capri, Italy, with average temperature varying between 12.6°C (54.7°F) and 14.7°C (58.5°F).

Temperature

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

Humidity

In Capri, the average relative humidity is 67%.

Rainfall

In Capri, it is raining for 15.8 days, with typically 76mm (2.99") of accumulated precipitation. Throughout the year, in Capri, there are 154.7 rainfall days, and 815mm (32.09") of precipitation is accumulated.

Snowfall

December is the only month when snow falls in Capri. December has the most snowfall days of the year in Capri. Snow falls for 0.1 days.

Sea temperature

In Capri, 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, with an average of 9.3h of daylight.

Sunshine

In December, the average sunshine is 6.1h.

UV index

In Capri, Italy, the average daily maximum UV index in December is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to the UV radiation for average individuals.
Note: The daily maximum UV index of 4 in December interpret into the following advice:
Take precautions - Protection against the skin and eye damage is obliged. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Capri?

In December, in Capri, the average high-temperature is 14.7°C (58.5°F), and the average low-temperature is 12.6°C (54.7°F).

What is the average humidity in December in Capri?

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

How much does it rain in Capri in December?

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

When does it start snowing in Capri?

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

What is the snowiest month in Capri?

The month with the most snowfall days in Capri, Italy, is December when snow falls for 0.1 days.

What is the sea temperature in December in Capri?

In Capri, the average seawater temperature in December 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 in Capri, with an average of 9.3h of daylight.

How many hours of daylight does Capri have in December?

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

How many hours of sunshine does Capri have in December?

In December, the average sunshine is 6.1h.

What is the UV index intensity in December in Capri?

The average daily maximum UV index in December 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 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).

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).
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: 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).

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).

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).

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

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).