December weather forecastBionaz, Italy
December
Weather in December
December, the first month of the winter in Bionaz, is also a subzero cold month, with temperature in the range of an average low of -11.4°C (11.5°F) and an average high of -2.4°C (27.7°F).Temperature
The beginning of December records an average high-temperature of a freezing cold -2.4°C (27.7°F), marking a negligible difference from November's 0.4°C (32.7°F). Bionaz records an average nighttime low of -11.4°C (11.5°F) in December.Humidity
In December, the average relative humidity in Bionaz is 85%.Rainfall
In December, in Bionaz, the rain falls for 5.2 days. Throughout December, 102mm (4.02") of precipitation is accumulated. In Bionaz, during the entire year, the rain falls for 143.2 days and collects up to 1251mm (49.25") of precipitation.Snowfall
Months with snowfall in Bionaz, Italy, are January through December. In Bionaz, Italy, in December, during 18.9 snowfall days, 720mm (28.35") of snow is typically accumulated. Throughout the year, there are 180 snowfall days, and 6089mm (239.72") of snow is accumulated.Daylight
With an average of 8h and 42min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 07:51 and sunset at 16:47. On the last day of December, sunrise is at 08:11 and sunset at 16:55 CET.
Sunshine
In Bionaz, the average sunshine in December is 4.9h.UV index
In December, the average daily maximum UV index in Bionaz is 2. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for average individuals.Note: The daily high UV index of 2 in December translates into this advice:
It is important to always shield children, babies, and individuals with sensitive skin from prolonged exposure to the sun. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Enhance your sun protection with tightly woven, yet airy clothing. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Bionaz, Italy
- Average high temperature in December: -2.4°C
The warmest month (with the highest average high temperature) is August (14.8°C).
The month with the lowest average high temperature is January (-3.8°C).
- Average low temperature in December: -11.4°C
The month with the highest average low temperature is August (5.4°C).
The coldest months (with the lowest average low temperature) are January and February (-12.6°C).
Average pressure in December
Bionaz, Italy
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is December (1020.8mbar).
The month with the lowest atmospheric pressure is April (1015mbar).
Average wind speed in December
Bionaz, Italy
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is August (6.2km/h).
Average humidity in December
Bionaz, Italy
- Average humidity in December: 85%
The month with the highest relative humidity is March (90%).
The month with the lowest relative humidity is August (78%).
Average rainfall in December
Bionaz, Italy
- Average rainfall in December: 102mm
The wettest month (with the highest rainfall) is May (152mm).
The driest month (with the least rainfall) is September (73mm).
Average rainfall days in December
Bionaz, Italy
- Average rainfall days in December: 5.2 days
The month with the highest number of rainy days is July (24.4 days).
The month with the least rainy days is January (3.3 days).
Average snowfall in December
Bionaz, Italy
- Average snowfall in December: 720mm
The month with the highest snowfall is May (917mm).
The month with the least snowfall is July (33mm).
Average snowfall days in December
Bionaz, Italy
- Average snowfall days in December: 18.9 days
The month with the highest number of snowfall days is March (22.6 days).
The month with the least snowfall days is July (2.8 days).
Average daylight in December /
Average sunshine in December
Bionaz, Italy
- Average daylight in December: 8h and 42min
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: 4h and 54min
The month with the most sunshine is July (Average sunshine: 10h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 36min).
Average sunshine days in December
Bionaz, Italy
- Average sunshine days in December: 11.7 days
The month with the most sunshine days is October (13.5 days).
The month with the least sunshine days is June (3 days).
Average UV index in December
Bionaz, Italy
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 3).
The months with the lowest UV index are January, February, March and April (UV index 1).
Average cloud cover in December
Bionaz, Italy
- Average cloud cover in December: 48
The months with the most cloud cover are March and May (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 39).
Average visibility in December
Bionaz, Italy
- Average visibility in December: 7km
The months with the highest visibility are June, July, August and October (8km).
The months with the lowest visibility are January, February, March, April and May (6km).





