December weather forecastCalasetta, Italy
December
Weather in December
The first month of the winter, December, is also a moderate month in Calasetta, Italy, with an average temperature ranging between min 8.9°C (48°F) and max 14.5°C (58.1°F).Temperature
The arrival of December is marked by a minor reduction in average high-temperature, sliding from a comfortable 17.8°C (64°F) in November to a moderate 14.5°C (58.1°F). December brings with it a nighttime average temperature of 8.9°C (48°F).Humidity
The average relative humidity in December is 78%.Rainfall
In December, in Calasetta, the rain falls for 10.3 days. Throughout December, 23mm (0.91") of precipitation is accumulated. Throughout the year, in Calasetta, there are 107.7 rainfall days, and 284mm (11.18") of precipitation is accumulated.Snowfall
Months with snowfall are February and December. The months with the most snowfall days are February and December, with an average of 0.1 snowfall days.Sea temperature
In December, the average sea temperature is 16.6°C (61.9°F).Note: In 16.6°C (61.9°F), swimming is not an enjoyable activity for most. The challenge of managing one's breathing increases as the temperature goes under 21°C (69.8°F).
Daylight
The month with the shortest days is December, with an average of 9h and 30min of daylight.On the first day of December in Calasetta, sunrise is at 07:27 and sunset at 17:04. On the last day of the month, sunrise is at 07:45 and sunset at 17:13 CET.
Sunshine
In Calasetta, the average sunshine in December is 6.6h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: A maximum daily UV index of 3 during December morphs into the following directions:
Exercise prevention - Precautions against solar damage are endorsed. To prevent harmful UV exposure, minimize direct contact with the Sun around midday. Always opt for UVA and UVB-resistant sunglasses on radiant days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Calasetta, Italy
- Average high temperature in December: 14.5°C
The warmest month (with the highest average high temperature) is August (30.6°C).
The months with the lowest average high temperature are January and February (13.4°C).
- Average low temperature in December: 8.9°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (6.7°C).
Average pressure in December
Calasetta, Italy
- Average pressure in December: 1019.3mbar
The month with the highest atmospheric pressure is December (1019.3mbar).
The month with the lowest atmospheric pressure is April (1014.2mbar).
Average wind speed in December
Calasetta, Italy
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is February (15.9km/h).
The calmest month (with the lowest average wind speed) is August (10.7km/h).
Average humidity in December
Calasetta, Italy
- Average humidity in December: 78%
The month with the highest relative humidity is January (79%).
The months with the lowest relative humidity are July and August (59%).
Average rainfall in December
Calasetta, Italy
- Average rainfall in December: 23mm
The wettest month (with the highest rainfall) is November (58mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in December
Calasetta, Italy
- Average rainfall days in December: 10.3 days
The month with the highest number of rainy days is November (12.6 days).
The month with the least rainy days is July (3.3 days).
Average snowfall days in December
Calasetta, 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
Calasetta, Italy
- Average sea temperature in December: 16.6°C
The best month for swimming (with the highest average sea temperature) is August (24.5°C).
The coldest month (with the lowest average sea temperature) is February (13.8°C).
Average daylight in December /
Average sunshine in December
Calasetta, Italy
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 6h and 36min
The month with the most sunshine is June (Average sunshine: 12h and 0min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Calasetta, Italy
- Average sunshine days in December: 17.5 days
The month with the most sunshine days is July (26.4 days).
The month with the least sunshine days is November (14.4 days).
Average UV index in December
Calasetta, Italy
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Calasetta, Italy
- Average cloud cover in December: 29
The month with the most cloud cover is January (Cloud cover 35).
The months with the least cloud cover are July and August (Cloud cover 7).
Average visibility in December
Calasetta, 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).





