December weather forecastCostacciaro, Italy
December
Weather in December
December, the first month of the winter in Costacciaro, is also a frosty month, with an average temperature fluctuating between 2.7°C (36.9°F) and 8.5°C (47.3°F).Temperature
Costacciaro in December undergoes a slight reduction in the average high-temperature, shifting from November's cool 12.8°C (55°F) to a frosty 8.5°C (47.3°F). During the nights in December, Costacciaro experiences a consistent average temperature of 2.7°C (36.9°F).Humidity
The average relative humidity in December is 83%.Rainfall
In Costacciaro, in December, during 12.5 rainfall days, 48mm (1.89") of precipitation is typically accumulated. Throughout the year, in Costacciaro, there are 166.6 rainfall days, and 675mm (26.57") of precipitation is accumulated.Snowfall
January through March, November and December are months with snowfall. In Costacciaro, in December, snow falls for 3.1 days, with typically accumulated 35mm (1.38") of snow. In Costacciaro, during the entire year, snow falls for 17.2 days and aggregates up to 314mm (12.36") of snow.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:22 and sunset at 16:34. On the last day of December, in Costacciaro, sunrise is at 07:41 and sunset at 16:43 CET.
Sunshine
In December, the average sunshine in Costacciaro is 5.4h.UV index
January, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests this advice:
Prolonged exposure to sunlight rarely troubles the majority, but constant protection is vital for babies, children, and fair-skinned people. Limiting exposure to the direct Sun during midday hours can help prevent harmful UV radiation effects. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. 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
Average temperature in December
Costacciaro, Italy
- Average high temperature in December: 8.5°C
The warmest month (with the highest average high temperature) is August (28.6°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (16.6°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Costacciaro, Italy
- Average pressure in December: 1018.6mbar
The month with the highest atmospheric pressure is December (1018.6mbar).
The month with the lowest atmospheric pressure is July (1013.4mbar).
Average wind speed in December
Costacciaro, Italy
- Average wind speed in December: 9.6km/h
The windiest month (with the highest average wind speed) is March (11.7km/h).
The calmest month (with the lowest average wind speed) is August (7.8km/h).
Average humidity in December
Costacciaro, Italy
- Average humidity in December: 83%
The months with the highest relative humidity are January and November (84%).
The month with the lowest relative humidity is August (63%).
Average rainfall in December
Costacciaro, Italy
- Average rainfall in December: 48mm
The wettest month (with the highest rainfall) is May (100mm).
The driest months (with the least rainfall) are January and July (43mm).
Average rainfall days in December
Costacciaro, Italy
- Average rainfall days in December: 12.5 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is August (10.3 days).
Average snowfall in December
Costacciaro, Italy
- Average snowfall in December: 35mm
The month with the highest snowfall is February (121mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Costacciaro, Italy
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Costacciaro, Italy
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 18min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is July (Average sunshine: 11h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 36min).
Average sunshine days in December
Costacciaro, Italy
- Average sunshine days in December: 14.5 days
The month with the most sunshine days is August (18.8 days).
The months with the least sunshine days are February and May (9.3 days).
Average UV index in December
Costacciaro, Italy
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, November and December (UV index 2).
Average cloud cover in December
Costacciaro, Italy
- Average cloud cover in December: 43
The month with the most cloud cover is January (Cloud cover 52).
The month with the least cloud cover is August (Cloud cover 15).
Average visibility in December
Costacciaro, Italy
- Average visibility in December: 9km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January and November (8km).
