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's arrival signals a moderate reduction in the average high-temperature, easing from a refreshing 15°C (59°F) in November to a cool 11.4°C (52.5°F). With a barely noticeable fluctuation in temperature, Porto San Giorgio reaches an average low of 7.4°C (45.3°F) during the December nights.Humidity
The average relative humidity in December in Porto San Giorgio is 73%.Rainfall
In Porto San Giorgio, Italy, during December, the rain falls for 11.3 days and regularly aggregates up to 34mm (1.34") of precipitation. In Porto San Giorgio, Italy, during the entire year, the rain falls for 139.4 days and collects up to 464mm (18.27") of precipitation.Snowfall
January through March and December are months with snowfall in Porto San Giorgio. December is the first month it typically snows in Porto San Giorgio. Throughout December, in the average 0.8 snowfall days, it receives 6mm (0.24") of snow. Throughout the year, there are 4.4 snowfall days, and 76mm (2.99") of snow is accumulated.Sea temperature
In Porto San Giorgio, Italy, the average seawater temperature in December is 15.3°C (59.5°F).Note: Swimming is not an enjoyable activity for the majority when the water is at 15.3°C (59.5°F). The difficulty of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).
Daylight
December has the shortest days of the year in Porto San Giorgio, with an average of 9h and 6min of daylight.On the first day of December in Porto San Giorgio, Italy, sunrise is at 07:17 and sunset at 16:30. On the last day of the month, sunrise is at 07:36 and sunset at 16:39 CET.
Sunshine
In December, the average sunshine is 6.4h.UV index
January, February, November and December, with an average maximum UV index of 3, are months with the lowest UV index in Porto San Giorgio. A UV Index of 3 to 5 symbolizes a moderate health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum UV index, 3 during December, leads to the following recommendations:
Take precautions - Protection against sunburn is recommended. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Protect your eyes, ears, face, and neck from the Sun by wearing a wide-brimmed hat. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
Frequently asked questions
What are the temperatures in Porto San Giorgio in December?
What is the average humidity in December in Porto San Giorgio?
How many days does it rain in December in Porto San Giorgio?
When does it start snowing in Porto San Giorgio?
What is the sea water temperature in December in Porto San Giorgio?
What is the month with the shortest days in Porto San Giorgio?
How many hours of daylight does Porto San Giorgio have in December?
What time are sunrise and sunset in December in Porto San Giorgio?
How long on average sun shines in December in Porto San Giorgio?
When is the lowest UV index in Porto San Giorgio?
What is the UV index reading in December in Porto San Giorgio?
Average temperature in December
Porto San Giorgio, Italy
- Average high temperature in December: 11.4°C
The warmest month (with the highest average high temperature) is August (28°C).
The month with the lowest average high temperature is January (9.8°C).
- Average low temperature in December: 7.4°C
The month with the highest average low temperature is August (21.4°C).
The coldest month (with the lowest average low temperature) is January (6.1°C).
Average pressure in December
Porto San Giorgio, Italy
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in December
Porto San Giorgio, Italy
- Average wind speed in December: 11.9km/h
The windiest month (with the highest average wind speed) is February (12.9km/h).
The calmest month (with the lowest average wind speed) is June (9.7km/h).
Average humidity in December
Porto San Giorgio, Italy
- Average humidity in December: 73%
The month with the highest relative humidity is November (76%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Porto San Giorgio, Italy
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is May (54mm).
The driest month (with the least rainfall) is August (26mm).
Average rainfall days in December
Porto San Giorgio, Italy
- Average rainfall days in December: 11.3 days
The month with the highest number of rainy days is May (15.7 days).
The month with the least rainy days is August (7.8 days).
Average snowfall in December
Porto San Giorgio, Italy
- Average snowfall in December: 6mm
The month with the highest snowfall is February (44mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Porto San Giorgio, Italy
- Average snowfall days in December: 0.8 days
The month with the highest number of snowfall days is February (1.6 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Porto San Giorgio, Italy
- Average sea temperature in December: 15.3°C
The best month for swimming (with the highest average sea temperature) is August (25.4°C).
The coldest month (with the lowest average sea temperature) is February (12.3°C).
Average daylight in December /
Average sunshine in December
Porto San Giorgio, Italy
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 6min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 48min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Porto San Giorgio, Italy
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is August (20.6 days).
The month with the least sunshine days is May (12.8 days).
Average UV index in December
Porto San Giorgio, 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, February, November and December (UV index 3).
Average cloud cover in December
Porto San Giorgio, Italy
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 41).
The month with the least cloud cover is August (Cloud cover 11).
Average visibility in December
Porto San Giorgio, 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).
Porto San Giorgio, Italy
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