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 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 sees a slight reduction in average high-temperature, with a shift from a comfortable 17.6°C (63.7°F) in November to a mild 13.9°C (57°F). Portella di Mare consistently logs a low temperature averaging a frosty 9.3°C (48.7°F) during December, a modest drop from daytime temperatures.Humidity
In Portella di Mare, the average relative humidity in December is 77%.Rainfall
In Portella di Mare, in December, it is raining for 11.9 days, with typically 31mm (1.22") of accumulated precipitation. In Portella di Mare, during the entire year, the rain falls for 121.2 days and collects up to 381mm (15") of precipitation.Snowfall
January and December are months with snowfall. December is the first month it typically snows in Portella di Mare. Throughout December, in the average 0.1 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, there are 0.2 snowfall days, and 3mm (0.12") of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year in Portella di Mare.On the first day of the month, sunrise is at 07:03 and sunset at 16:46. On the last day of December, sunrise is at 07:22 and sunset at 16:56 CET.
Sunshine
The average sunshine in December in Portella di Mare is 6.2h.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 estimate of 3 to 5 represents a medium health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, the average maximum UV index of 3 translates into the following recommendations:
Take necessary precautions - Defending against sun damage is advocated. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Frequently asked questions
What is the temperature in December in Portella di Mare?
What is the average humidity in December in Portella di Mare?
How many days does it rain in December in Portella di Mare?
When does it start to snow in Portella di Mare?
What is the month with the shortest days in Portella di Mare?
What is the average length of the day in December in Portella di Mare?
When is the sunrise / sunset in December in Portella di Mare?
How many hours of sunshine does Portella di Mare have in December?
What is the month with the lowest UV index in Portella di Mare?
What is the UV index intensity in December in Portella di Mare?
Average temperature in December
Portella di Mare, Italy
- Average high temperature in December: 13.9°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is February (12.5°C).
- Average low temperature in December: 9.3°C
The month with the highest average low temperature is August (22°C).
The coldest month (with the lowest average low temperature) is February (6.8°C).
Average pressure in December
Portella di Mare, Italy
- Average pressure in December: 1019mbar
The month with the highest atmospheric pressure is December (1019mbar).
The months with the lowest atmospheric pressure are April and July (1014.3mbar).
Average wind speed in December
Portella di Mare, Italy
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is February (13.9km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in December
Portella di Mare, Italy
- Average humidity in December: 77%
The month with the highest relative humidity is January (79%).
The month with the lowest relative humidity is July (59%).
Average rainfall in December
Portella di Mare, Italy
- Average rainfall in December: 31mm
The wettest months (with the highest rainfall) are September and October (57mm).
The driest month (with the least rainfall) is July (5mm).
Average rainfall days in December
Portella di Mare, Italy
- Average rainfall days in December: 11.9 days
The month with the highest number of rainy days is January (13.6 days).
The month with the least rainy days is July (3.3 days).
Average snowfall in December
Portella di Mare, Italy
- Average snowfall in December: 1mm
The month with the highest snowfall is January (2mm).
The months with the least snowfall are February, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Portella di Mare, Italy
- Average snowfall days in December: 0.1 days
The months with the highest number of snowfall days are January and December (0.1 days).
The months with the least snowfall days are February, March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Portella di Mare, Italy
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are June and July (Average sunshine: 12h and 6min).
The month with the least sunshine is January (Average sunshine: 5h and 42min).
Average sunshine days in December
Portella di Mare, Italy
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is July (26.6 days).
The month with the least sunshine days is February (14.3 days).
Average UV index in December
Portella di Mare, Italy
- Average UV index in December: 3
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Portella di Mare, Italy
- Average cloud cover in December: 33
The month with the most cloud cover is January (Cloud cover 40).
The month with the least cloud cover is July (Cloud cover 7).
Average visibility in December
Portella di Mare, 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).
Portella di Mare, Italy
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