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
The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from a comfortable 16.5°C (61.7°F) in November to a cool 12.5°C (54.5°F). The average nighttime temperature in Castel San Lorenzo, Italy, lowers to a frosty 6.3°C (43.3°F) throughout December.Humidity
The average relative humidity in December in Castel San Lorenzo is 76%.Rainfall
In December, the rain falls for 12.8 days. Throughout December, 54mm (2.13") of precipitation is accumulated. Throughout the year, there are 140.4 rainfall days, and 513mm (20.2") of precipitation is accumulated.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows in Castel San Lorenzo. Throughout December, in the average 0.3 snowfall days, it receives 1mm (0.04") of snow. In Castel San Lorenzo, during the entire year, snow falls for 1.4 days and aggregates up to 10mm (0.39") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 07:03 and sunset at 16:33. On the last day of December, in Castel San Lorenzo, sunrise is at 07:21 and sunset at 16:42 CET.
Sunshine
In December, the average sunshine is 6.2h.UV index
The months with the lowest UV index in Castel San Lorenzo are January, February and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium vulnerability from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Safety measures are advised. Light-skinned individuals may experience burns in under half an hour. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be aware! The intensity of the Sun's UV radiation can be amplified nearly twice due to snow reflection.
Frequently asked questions
What are the temperatures in Castel San Lorenzo in December?
What is the average humidity in December in Castel San Lorenzo?
How much does it rain in Castel San Lorenzo in December?
When does it start to snow in Castel San Lorenzo?
What is the month with the shortest days in Castel San Lorenzo?
What is the average length of the day in December in Castel San Lorenzo?
What time are sunrise and sunset in December in Castel San Lorenzo?
How many hours of sunshine does Castel San Lorenzo have in December?
What are the months with the lowest UV index in Castel San Lorenzo?
What is the UV index intensity in December in Castel San Lorenzo?
Average temperature in December
Castel San Lorenzo, Italy
- Average high temperature in December: 12.5°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (11°C).
- Average low temperature in December: 6.3°C
The month with the highest average low temperature is August (19.4°C).
The coldest months (with the lowest average low temperature) are January and February (5.3°C).
Average pressure in December
Castel San Lorenzo, Italy
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is December (1018.3mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Castel San Lorenzo, Italy
- Average wind speed in December: 11.1km/h
The windiest month (with the highest average wind speed) is February (12.2km/h).
The calmest month (with the lowest average wind speed) is August (7.4km/h).
Average humidity in December
Castel San Lorenzo, Italy
- Average humidity in December: 76%
The month with the highest relative humidity is January (78%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Castel San Lorenzo, Italy
- Average rainfall in December: 54mm
The wettest month (with the highest rainfall) is November (99mm).
The driest month (with the least rainfall) is August (10mm).
Average rainfall days in December
Castel San Lorenzo, Italy
- Average rainfall days in December: 12.8 days
The month with the highest number of rainy days is January (14.9 days).
The month with the least rainy days is August (5.4 days).
Average snowfall in December
Castel San Lorenzo, Italy
- Average snowfall in December: 1mm
The month with the highest snowfall is January (6mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Castel San Lorenzo, Italy
- Average snowfall days in December: 0.3 days
The month with the highest number of snowfall days is January (0.7 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Castel San Lorenzo, Italy
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 6h and 1min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The months with the least sunshine are January and February (Average sunshine: 5h and 48min).
Average sunshine days in December
Castel San Lorenzo, Italy
- Average sunshine days in December: 15.7 days
The months with the most sunshine days are July and August (22.4 days).
The month with the least sunshine days is February (11.3 days).
Average UV index in December
Castel San Lorenzo, Italy
- Average UV index in December: 3
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 3).
Average cloud cover in December
Castel San Lorenzo, Italy
- Average cloud cover in December: 33
The months with the most cloud cover are January and February (Cloud cover 39).
The month with the least cloud cover is August (Cloud cover 10).
Average visibility in December
Castel San Lorenzo, 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).
Castel San Lorenzo, Italy
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