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
December
Weather in December
Temperature
As November shifts into December, a minor alteration in temperatures is observed, with average highs reducing from a moderate 13.1°C (55.6°F) to a fresh 10.1°C (50.2°F). The temperature during December nights demonstrates a small drop from the daytime highs, settling to an average of 6.3°C (43.3°F).Humidity
The months with the lowest humidity in San Lorenzo al Mare are January and December, with an average relative humidity of 71%.Rainfall
In San Lorenzo al Mare, in December, it is raining for 7.7 days, with typically 49mm (1.93") of accumulated precipitation. In San Lorenzo al Mare, during the entire year, the rain falls for 158.8 days and collects up to 729mm (28.7") of precipitation.Snowfall
In San Lorenzo al Mare, snow does not fall in January, April through December.Sea temperature
In San Lorenzo al Mare, in December, the average water temperature is 14.9°C (58.8°F).Note: Being in 14.9°C (58.8°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance.
Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of December, sunrise is at 07:42 and sunset at 16:51. On the last day of the month, sunrise is at 08:02 and sunset at 17:00 CET.
Sunshine
The average sunshine in December is 6.4h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for the average person.Note: The UV index of 3 in December translates into these instructions:
Be vigilant - Suggestions to stave off sun damage are provided. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are December temperatures?
What are the least humid months?
What is the average humidity in December?
How many days does it rain in December?
When it does not snow?
What is the sea water temperature in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December in San Lorenzo al Mare?
How many hours of sunshine does San Lorenzo al Mare have in December?
When is the lowest UV index?
How high is the UV index in December?
Average temperature in December
San Lorenzo al Mare, Italy
- Average high temperature in December: 10.1°C
The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (8.5°C).
- Average low temperature in December: 6.3°C
The month with the highest average low temperature is August (19.2°C).
The coldest month (with the lowest average low temperature) is February (4.4°C).
Average pressure in December
San Lorenzo al Mare, Italy
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is December (1018.4mbar).
The month with the lowest atmospheric pressure is April (1013.8mbar).
Average wind speed in December
San Lorenzo al Mare, Italy
- Average wind speed in December: 12.1km/h
The windiest months (with the highest average wind speed) are February and March (13.3km/h).
The calmest month (with the lowest average wind speed) is August (8.2km/h).
Average humidity in December
San Lorenzo al Mare, Italy
- Average humidity in December: 71%
The month with the highest relative humidity is June (77%).
The months with the lowest relative humidity are January and December (71%).
Average rainfall in December
San Lorenzo al Mare, Italy
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is November (130mm).
The driest month (with the least rainfall) is January (25mm).
Average rainfall days in December
San Lorenzo al Mare, Italy
- Average rainfall days in December: 7.7 days
The month with the highest number of rainy days is May (17.7 days).
The month with the least rainy days is December (7.7 days).
Average snowfall in December
San Lorenzo al Mare, Italy
- Average snowfall in December: 0mm
The month with the highest snowfall is February (7mm).
The months with the least snowfall are January, April, May, June, July, August, September, October, November and December (0mm).
Average snowfall days in December
San Lorenzo al Mare, Italy
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are January, April, May, June, July, August, October, November and December (0 days).
Average sea temperature in December
San Lorenzo al Mare, Italy
- Average sea temperature in December: 14.9°C
The best month for swimming (with the highest average sea temperature) is August (23.8°C).
The coldest month (with the lowest average sea temperature) is February (13.1°C).
Average daylight in December /
Average sunshine in December
San Lorenzo al Mare, Italy
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 6h and 2min
The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is November (Average sunshine: 6h and 12min).
Average sunshine days in December
San Lorenzo al Mare, Italy
- Average sunshine days in December: 22.5 days
The month with the most sunshine days is December (22.5 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in December
San Lorenzo al Mare, Italy
- Average UV index in December: 3
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 3).
Average cloud cover in December
San Lorenzo al Mare, Italy
- Average cloud cover in December: 28
The months with the most cloud cover are February and November (Cloud cover 32).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
San Lorenzo al 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).
