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
A mild shift in the average high-temperature occurs in December, reducing from a frosty 8.9°C (48°F) in November to a wintry 4.9°C (40.8°F). During December, Costa Valle Imagna observes a consistent average nighttime temperature of -1.5°C (29.3°F).Humidity
In Costa Valle Imagna, the average relative humidity in December is 74%.Rainfall
In December, in Costa Valle Imagna, Italy, the rain falls for 9.9 days. Throughout December, 56mm (2.2") of precipitation is accumulated. Throughout the year, there are 192.7 rainfall days, and 1242mm (48.9") of precipitation is accumulated.Snowfall
Months with snowfall are January through March, September, November and December. The month with the most snowfall in Costa Valle Imagna is December, when snow falls for 2.5 days and typically aggregates up to 36mm (1.42") of snow.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year in Costa Valle Imagna, Italy.On the first day of December in Costa Valle Imagna, Italy, sunrise is at 07:43 and sunset at 16:39. On the last day of the month, sunrise is at 08:03 and sunset at 16:47 CET.
Sunshine
In Costa Valle Imagna, Italy, the average sunshine in December is 6.3h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for ordinary individuals.Note: In December, a daily UV index of 2 turns into the following recommendations:
Most individuals face no major issues with lengthy exposure to the sun, but children, infants, and individuals with fair skin always require protection. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. In the presence of strong sunlight, it's crucial to wear sunglasses that ward off UVA and UVB rays. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Frequently asked questions
Is December cold in Costa Valle Imagna?
What is the average humidity in December in Costa Valle Imagna?
How much does it rain in Costa Valle Imagna in December?
When does it snow the most in Costa Valle Imagna?
How many days does it snow in December in Costa Valle Imagna?
What is the month with the shortest days in Costa Valle Imagna?
What is the average length of the day in December in Costa Valle Imagna?
What time are sunrise and sunset in December in Costa Valle Imagna?
How long on average sun shines in December in Costa Valle Imagna?
What are the months with the lowest UV index in Costa Valle Imagna?
What is the UV index intensity in December in Costa Valle Imagna?
Average temperature in December
Costa Valle Imagna, Italy
- Average high temperature in December: 4.9°C
The warmest month (with the highest average high temperature) is July (24.8°C).
The month with the lowest average high temperature is January (3.6°C).
- Average low temperature in December: -1.5°C
The months with the highest average low temperature are July and August (14.2°C).
The coldest month (with the lowest average low temperature) is January (-2.3°C).
Average pressure in December
Costa Valle Imagna, Italy
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is December (1020.2mbar).
The months with the lowest atmospheric pressure are April and May (1014.9mbar).
Average wind speed in December
Costa Valle Imagna, Italy
- Average wind speed in December: 6.1km/h
The windiest months (with the highest average wind speed) are March and May (6.6km/h).
The calmest month (with the lowest average wind speed) is November (5.4km/h).
Average humidity in December
Costa Valle Imagna, Italy
- Average humidity in December: 74%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is July (73%).
Average rainfall in December
Costa Valle Imagna, Italy
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is November (162mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in December
Costa Valle Imagna, Italy
- Average rainfall days in December: 9.9 days
The month with the highest number of rainy days is May (23.2 days).
The month with the least rainy days is January (9.7 days).
Average snowfall in December
Costa Valle Imagna, Italy
- Average snowfall in December: 36mm
The month with the highest snowfall is December (36mm).
The months with the least snowfall are April, May, June, July, August and October (0mm).
Average snowfall days in December
Costa Valle Imagna, Italy
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (2.8 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
Costa Valle Imagna, 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 2min
The month with the most sunshine is July (Average sunshine: 11h and 24min).
The month with the least sunshine is November (Average sunshine: 5h and 18min).
Average sunshine days in December
Costa Valle Imagna, Italy
- Average sunshine days in December: 18.3 days
The months with the most sunshine days are January and December (18.3 days).
The month with the least sunshine days is May (5.1 days).
Average UV index in December
Costa Valle Imagna, 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
Costa Valle Imagna, Italy
- Average cloud cover in December: 30
The month with the most cloud cover is November (Cloud cover 43).
The month with the least cloud cover is July (Cloud cover 24).
Average visibility in December
Costa Valle Imagna, Italy
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (9km).
Costa Valle Imagna, Italy
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