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
December's onset introduces a mild reduction in the average high-temperature, from a refreshing 16.5°C (61.7°F) in November to a cool 12.6°C (54.7°F). In December, Colonna records an average nighttime temperature of 6.6°C (43.9°F).Humidity
In Colonna, the average relative humidity in December is 73%.Rainfall
In Colonna, during December, the rain falls for 12.1 days and regularly aggregates up to 56mm (2.2") of precipitation. Throughout the year, in Colonna, Italy, there are 143.3 rainfall days, and 595mm (23.43") of precipitation is accumulated.Snowfall
Months with snowfall in Colonna are February and December. December is the first month it typically snows. Throughout December, in the average 0.2 snowfall days, it receives 3mm (0.12") of snow. Throughout the year, there are 1.1 snowfall days, and 19mm (0.75") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 07:17 and sunset at 16:39. On the last day of the month, sunrise is at 07:36 and sunset at 16:48 CET.
Sunshine
In December, the average sunshine in Colonna is 6.3h.UV index
January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Colonna. A UV Index estimate of 3 to 5 represents a moderate health risk from unsafe exposure to UV radiation for the average person.Note: The maximum daily UV index, 3 in December, converts into the following recommendations:
Be careful. Light complexion individuals might get burns in fewer than 30 minutes. The mid-day Sun emits the most powerful UV radiation, so seek shade and minimize exposure. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Consider this! The reflection from snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Colonna?
What is the average humidity in December in Colonna?
How many days does it rain in December in Colonna?
When does it start snowing in Colonna?
What is the month with the shortest days in Colonna?
How many hours of daylight does Colonna have in December?
When are sunrise and sunset in December in Colonna?
How many hours of sunshine does Colonna have in December?
What are the months with the lowest UV index in Colonna?
What is the UV index intensity in December in Colonna?
Average temperature in December
Colonna, Italy
- Average high temperature in December: 12.6°C
The warmest month (with the highest average high temperature) is August (30.5°C).
The month with the lowest average high temperature is January (11.4°C).
- Average low temperature in December: 6.6°C
The month with the highest average low temperature is August (20.9°C).
The coldest month (with the lowest average low temperature) is January (5.7°C).
Average pressure in December
Colonna, Italy
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is December (1018.5mbar).
The month with the lowest atmospheric pressure is April (1014mbar).
Average wind speed in December
Colonna, Italy
- Average wind speed in December: 11km/h
The windiest month (with the highest average wind speed) is February (12.3km/h).
The calmest month (with the lowest average wind speed) is August (8.5km/h).
Average humidity in December
Colonna, Italy
- Average humidity in December: 73%
The months with the highest relative humidity are January and November (75%).
The month with the lowest relative humidity is August (57%).
Average rainfall in December
Colonna, Italy
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is November (111mm).
The driest month (with the least rainfall) is August (16mm).
Average rainfall days in December
Colonna, Italy
- Average rainfall days in December: 12.1 days
The month with the highest number of rainy days is November (15.2 days).
The month with the least rainy days is August (6.3 days).
Average snowfall in December
Colonna, Italy
- Average snowfall in December: 3mm
The month with the highest snowfall is February (16mm).
The months with the least snowfall are January, March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Colonna, Italy
- Average snowfall days in December: 0.2 days
The month with the highest number of snowfall days is February (0.8 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
Colonna, Italy
- Average daylight in December: 9h and 1min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 6h and 2min
The months with the most sunshine are July and August (Average sunshine: 11h and 54min).
The month with the least sunshine is January (Average sunshine: 6h and 0min).
Average sunshine days in December
Colonna, Italy
- Average sunshine days in December: 16.8 days
The month with the most sunshine days is August (21.4 days).
The month with the least sunshine days is November (12.5 days).
Average UV index in December
Colonna, 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 and December (UV index 3).
Average cloud cover in December
Colonna, Italy
- Average cloud cover in December: 31
The month with the most cloud cover is January (Cloud cover 36).
The month with the least cloud cover is August (Cloud cover 9).
Average visibility in December
Colonna, 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).
