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
December
Weather in December
Temperature
The start of December signals a gentle decrease in the average high-temperature, transitioning from a frosty 8.3°C (46.9°F) in November to a wintry 4.4°C (39.9°F). Throughout the month of December, the nighttime temperature dips to an average of -1.9°C (28.6°F).Humidity
December is the least humid month, with an average relative humidity of 75%.Rainfall
In Casso, during December, the rain falls for 11.1 days and regularly aggregates up to 71mm (2.8") of precipitation. Throughout the year, there are 217.7 rainfall days, and 1342mm (52.83") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In Casso, during December, snow falls for 3.1 days and regularly aggregates up to 39mm (1.54") of snow. In Casso, during the entire year, snow falls for 15.3 days and aggregates up to 161mm (6.34") of snow.Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 07:33 and sunset at 16:26. On the last day of December, sunrise is at 07:53 and sunset at 16:34 CET.
Sunshine
In December, the average sunshine in Casso is 6.1h.UV index
January, February, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low health risk from exposure to the Sun's UV rays for the average person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Casso in December?
What is the least humid month?
What is the average humidity in December?
How many days does it rain in December in Casso?
How many days does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When are sunrise and sunset in December?
How many hours of sunshine does Casso have in December?
What is the month with the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Casso, Italy
- Average high temperature in December: 4.4°C
The warmest month (with the highest average high temperature) is August (23.2°C).
The month with the lowest average high temperature is January (3.1°C).
- Average low temperature in December: -1.9°C
The month with the highest average low temperature is August (12.8°C).
The coldest month (with the lowest average low temperature) is January (-2.9°C).
Average pressure in December
Casso, Italy
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is December (1020mbar).
The month with the lowest atmospheric pressure is May (1015mbar).
Average wind speed in December
Casso, Italy
- Average wind speed in December: 6km/h
The windiest month (with the highest average wind speed) is July (7km/h).
The calmest month (with the lowest average wind speed) is November (5.6km/h).
Average humidity in December
Casso, Italy
- Average humidity in December: 75%
The month with the highest relative humidity is November (83%).
The month with the lowest relative humidity is December (75%).
Average rainfall in December
Casso, Italy
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is November (173mm).
The driest month (with the least rainfall) is January (50mm).
Average rainfall days in December
Casso, Italy
- Average rainfall days in December: 11.1 days
The months with the highest number of rainy days are May and July (25.3 days).
The month with the least rainy days is January (10.1 days).
Average snowfall in December
Casso, Italy
- Average snowfall in December: 39mm
The month with the highest snowfall is January (50mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Casso, Italy
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (4.7 days).
The months with the least snowfall days are May, June, July, August and October (0 days).
Average daylight in December /
Average sunshine in December
Casso, Italy
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
- Average sunshine in December: 6h and 1min
The month with the most sunshine is July (Average sunshine: 11h and 12min).
The month with the least sunshine is November (Average sunshine: 5h and 12min).
Average sunshine days in December
Casso, Italy
- Average sunshine days in December: 17.9 days
The month with the most sunshine days is December (17.9 days).
The month with the least sunshine days is June (3 days).
Average UV index in December
Casso, Italy
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Casso, Italy
- Average cloud cover in December: 33
The month with the most cloud cover is November (Cloud cover 46).
The months with the least cloud cover are July and August (Cloud cover 28).
Average visibility in December
Casso, Italy
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October and December (9km).
The month with the lowest visibility is November (8km).
