Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average sea temperature in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December signals a slight drop in average high-temperature, sliding from November's comfortable 16.8°C (62.2°F) to a mild 13.1°C (55.6°F). Civitavecchia indicates a consistently low-temperature of 9.5°C (49.1°F) during the nights of December.Humidity
In December, the average relative humidity is 72%.Rainfall
In Civitavecchia, in December, it is raining for 12.2 days, with typically 38mm (1.5") of accumulated precipitation. In Civitavecchia, Italy, during the entire year, the rain falls for 122 days and collects up to 454mm (17.87") of precipitation.Snowfall
January, March through December are months without snowfall in Civitavecchia.Sea temperature
In Civitavecchia, Italy, the average seawater temperature in December is 15.8°C (60.4°F).Note: In water with a temperature of 15.8°C (60.4°F), most people do not enjoy swimming. As the temperature descends from 21°C (69.8°F) to 15°C (59°F), breathing becomes increasingly difficult to control.
Daylight
The month with the shortest days in Civitavecchia is December, with an average of 9h and 12min of daylight.On the first day of December in Civitavecchia, Italy, sunrise is at 07:21 and sunset at 16:42. On the last day of the month, sunrise is at 07:40 and sunset at 16:51 CET.
Sunshine
In Civitavecchia, the average sunshine in December is 5.9h.UV index
January and December, with an average maximum UV index of 3, are months with the lowest UV index in Civitavecchia. A UV Index reading of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index of 3 during December translates into the following directions:
Put precautions into practice - Guidance to elude sunburn is provided. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Frequently asked questions
What is the average December temperature in Civitavecchia?
What is the average humidity in December in Civitavecchia?
How much does it rain in Civitavecchia in December?
When it does not snow in Civitavecchia?
What is the sea water temperature in December in Civitavecchia?
What is the month with the shortest days in Civitavecchia?
How many hours of daylight does Civitavecchia have in December?
When are sunrise and sunset in December in Civitavecchia?
How long on average sun shines in December in Civitavecchia?
What is the month with the lowest UV index in Civitavecchia?
What is the UV index intensity in December in Civitavecchia?
Average temperature in December
Civitavecchia, Italy
- Average high temperature in December: 13.1°C
The warmest month (with the highest average high temperature) is August (28.2°C).
The month with the lowest average high temperature is January (12°C).
- Average low temperature in December: 9.5°C
The month with the highest average low temperature is August (22.7°C).
The coldest month (with the lowest average low temperature) is February (8.1°C).
Average pressure in December
Civitavecchia, 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 (1014mbar).
Average wind speed in December
Civitavecchia, Italy
- Average wind speed in December: 18.4km/h
The windiest month (with the highest average wind speed) is February (19.7km/h).
The calmest month (with the lowest average wind speed) is July (12.1km/h).
Average humidity in December
Civitavecchia, Italy
- Average humidity in December: 72%
The months with the highest relative humidity are April and November (75%).
The month with the lowest relative humidity is August (66%).
Average rainfall in December
Civitavecchia, Italy
- Average rainfall in December: 38mm
The wettest month (with the highest rainfall) is November (109mm).
The driest month (with the least rainfall) is August (12mm).
Average rainfall days in December
Civitavecchia, Italy
- Average rainfall days in December: 12.2 days
The month with the highest number of rainy days is November (15.5 days).
The month with the least rainy days is August (4.7 days).
Average snowfall in December
Civitavecchia, Italy
- Average snowfall in December: 0mm
The month with the highest snowfall is February (2mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
Civitavecchia, Italy
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are February and December (0.1 days).
The months with the least snowfall days are January, March, April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Civitavecchia, Italy
- Average sea temperature in December: 15.8°C
The best month for swimming (with the highest average sea temperature) is August (24.6°C).
The coldest month (with the lowest average sea temperature) is February (13.7°C).
Average daylight in December /
Average sunshine in December
Civitavecchia, Italy
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 5h and 5min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Civitavecchia, Italy
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is August (24.9 days).
The month with the least sunshine days is November (12.6 days).
Average UV index in December
Civitavecchia, Italy
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 3).
Average cloud cover in December
Civitavecchia, Italy
- Average cloud cover in December: 34
The month with the most cloud cover is January (Cloud cover 40).
The months with the least cloud cover are July and August (Cloud cover 10).
Average visibility in December
Civitavecchia, 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).
Civitavecchia, Italy
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