December weather forecast
Capri, Italy

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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

Wrapping up the year, December brings cooler conditions to Capri as winter sets in, with the average high temperature dropping to 14.7°C. 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

Capri's weather subtly changes with the onset of December, barely falling from a refreshing 18.1°C in November to a mild 14.7°C. Capri's evenings during December maintain an average temperature of 12.6°C, aligning closely with the daytime temperatures.

Humidity

In December, the average relative humidity is 67%.

Rainfall

In Capri, in December, it is raining for 15.8 days, with typically 76mm of accumulated precipitation. In Capri, during the entire year, the rain falls for 154.7 days and collects up to 815mm of precipitation.

Snowfall

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

Sea temperature

In Capri, in December, the average water temperature is 16.4°C.
Note: Most people do not enjoy swimming in water that is 16.4°C. Breathing becomes increasingly challenging as the water temperature dips under 21°C.

Daylight

December has the shortest days of the year, with an average of 9h and 18min of daylight.
On the first day of December, sunrise is at 07:06 and sunset at 16:37. On the last day of the month, sunrise is at 07:26 and sunset at 16:45 CET.

Sunshine

The average sunshine in December in Capri is 6.1h.

UV index

In December, the average daily maximum UV index is 4. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for the average person.
Note: The daily high UV index of 4 during December translates into the following recommendations:
Proceed with care. Light skin individuals may be exposed to burns in fewer than 30 minutes. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.
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FAQ

What are the temperatures in Capri in December?

In December, the average high-temperature and low-temperature in Capri are 14.7°C and 12.6°C respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, is computed to be 29°C.

What is the average humidity in December in Capri?

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

How many days does it rain in December in Capri?

In Capri, Italy, in December, during 15.8 rainfall days, 76mm of precipitation is typically accumulated.

What is the snowiest month in Capri?

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

When does it start snowing in Capri?

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

What is the sea temperature in December in Capri?

In Capri, in December, the average water temperature is 16.4°C. For swimming, a surface water temperature of 16.4°C 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.

What is the month with the shortest days in Capri?

With an average of 9h and 18min of daylight, December has the shortest days of the year in Capri, Italy.

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

In December, the average day length is 9h and 20min.

When is the sunrise / sunset in December in Capri?

In December, on the first day of the month, sunrise is at 07:06 and sunset at 16:37. On the last day of the month, in Capri, sunrise is at 07:26 and sunset at 16:45 CET.

How long on average sun shines in December in Capri?

The average sunshine duration in December in Capri, Italy, is 6.1h.

What is the UV index reading in December in Capri?

In December, the average daily maximum UV index in Capri, Italy, is 4. A UV Index reading of 3 to 5 represents a moderate vulnerability from exposure to the Sun's UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall days
Average sea temperature
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

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).
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).

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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).
The 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: 9h and 2min

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 1min

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).

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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

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).

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Average UV index in December
Capri, Italy

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).

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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

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).

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Capri, Italy

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