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 arrival of December corresponds with a shift in temperature, down from a refreshing 13.4°C (56.1°F) in November to a chilly 7.9°C (46.2°F). In Calto, nights during December observe an average temperature decrease to a wintry 3°C (37.4°F).Humidity
In Calto, the average relative humidity in December is 79%.Rainfall
In Calto, in December, during 8.3 rainfall days, 24mm (0.94") of precipitation is typically accumulated. In Calto, during the entire year, the rain falls for 144.3 days and collects up to 498mm (19.61") of precipitation.Snowfall
Months with snowfall in Calto are January through March and December. The month with the most snowfall in Calto is December, when snow falls for 1 days and typically aggregates up to 10mm (0.39") of snow.Daylight
The month with the shortest days in Calto is December, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 07:32 and sunset at 16:34. On the last day of the month, sunrise is at 07:52 and sunset at 16:42 CET.
Sunshine
In Calto, the average sunshine in December is 5.8h.UV index
The months with the lowest UV index in Calto are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: In December, a daily UV index of 2 turns into the following recommendations:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the usual temperature for Calto in December?
What is the average humidity in December in Calto?
How many days does it rain in December in Calto?
What is the snowiest month in Calto?
When does it start snowing in Calto?
What is the month with the shortest days in Calto?
What is the average length of the day in December in Calto?
When are sunrise and sunset in December in Calto?
How long on average sun shines in December in Calto?
When is the lowest UV index in Calto?
What is the UV index intensity in December in Calto?
Average temperature in December
Calto, Italy
- Average high temperature in December: 7.9°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in December: 3°C
The month with the highest average low temperature is August (19.4°C).
The coldest month (with the lowest average low temperature) is January (2.2°C).
Average pressure in December
Calto, Italy
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is December (1019.1mbar).
The month with the lowest atmospheric pressure is July (1013.9mbar).
Average wind speed in December
Calto, Italy
- Average wind speed in December: 7.4km/h
The windiest month (with the highest average wind speed) is March (9.3km/h).
The calmest month (with the lowest average wind speed) is August (7.2km/h).
Average humidity in December
Calto, Italy
- Average humidity in December: 79%
The month with the highest relative humidity is November (81%).
The month with the lowest relative humidity is August (62%).
Average rainfall in December
Calto, Italy
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is May (62mm).
The driest month (with the least rainfall) is January (22mm).
Average rainfall days in December
Calto, Italy
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is May (15.8 days).
The month with the least rainy days is December (8.3 days).
Average snowfall in December
Calto, Italy
- Average snowfall in December: 10mm
The month with the highest snowfall is December (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Calto, Italy
- Average snowfall days in December: 1 days
The month with the highest number of snowfall days is December (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Calto, Italy
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 5h and 5min
The month with the most sunshine is July (Average sunshine: 11h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Calto, Italy
- Average sunshine days in December: 19.7 days
The month with the most sunshine days is December (19.7 days).
The months with the least sunshine days are May and June (11.4 days).
Average UV index in December
Calto, Italy
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Calto, Italy
- Average cloud cover in December: 38
The month with the most cloud cover is February (Cloud cover 44).
The month with the least cloud cover is August (Cloud cover 16).
Average visibility in December
Calto, Italy
- Average visibility in December: 9km
The months with the highest visibility are June, July, August, September and October (10km).
The months with the lowest visibility are January, February, March, April, May, November and December (9km).
