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 cool 12°C (53.6°F) in November to a frosty 7.7°C (45.9°F). December witnesses an average nighttime temperature of 1.7°C (35.1°F) in Viano.Humidity
In Viano, the average relative humidity in December is 81%.Rainfall
In Viano, during December, the rain falls for 9.1 days and regularly aggregates up to 33mm (1.3") of precipitation. In Viano, during the entire year, the rain falls for 145.5 days and collects up to 587mm (23.11") of precipitation.Snowfall
January through March, November and December are months with snowfall. In Viano, Italy, in December, during 1.5 snowfall days, 29mm (1.14") of snow is typically accumulated. Throughout the year, in Viano, there are 10.2 snowfall days, and 300mm (11.81") of snow is accumulated.Daylight
With an average of 8h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 07:34 and sunset at 16:39. On the last day of the month, sunrise is at 07:53 and sunset at 16:47 CET.
Sunshine
In December, the average sunshine in Viano is 5.9h.UV index
The months with the lowest UV index in Viano are January, November and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: The UV index of 2 in December translates into these instructions:
While extended sun exposure does not significantly affect most people, those with sensitive skin, children, and infants should always be protected. To avoid the Sun's strongest rays, limit exposure around the mid-day period. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are December temperatures in Viano?
What is the average humidity in December in Viano?
How much does it rain in Viano in December?
How many days does it snow in December in Viano?
What is the month with the shortest days in Viano?
What is the average length of the day in December in Viano?
When is the sunrise / sunset in December in Viano?
How long on average sun shines in December in Viano?
What is the month with the lowest UV index in Viano?
What is the UV index intensity in December in Viano?
Average temperature in December
Viano, Italy
- Average high temperature in December: 7.7°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 1.7°C
The month with the highest average low temperature is August (17.6°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in December
Viano, Italy
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is December (1018.9mbar).
The month with the lowest atmospheric pressure is July (1013.8mbar).
Average wind speed in December
Viano, Italy
- Average wind speed in December: 5.5km/h
The windiest month (with the highest average wind speed) is March (7.6km/h).
The calmest month (with the lowest average wind speed) is December (5.5km/h).
Average humidity in December
Viano, Italy
- Average humidity in December: 81%
The month with the highest relative humidity is November (84%).
The month with the lowest relative humidity is August (61%).
Average rainfall in December
Viano, Italy
- Average rainfall in December: 33mm
The wettest month (with the highest rainfall) is June (69mm).
The driest month (with the least rainfall) is October (27mm).
Average rainfall days in December
Viano, Italy
- Average rainfall days in December: 9.1 days
The month with the highest number of rainy days is May (16.1 days).
The month with the least rainy days is January (9 days).
Average snowfall in December
Viano, Italy
- Average snowfall in December: 29mm
The month with the highest snowfall is February (133mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Viano, Italy
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is February (3.7 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Viano, Italy
- Average daylight in December: 8h and 5min
The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).
- Average sunshine in December: 5h and 5min
The months with the most sunshine are June, July and August (Average sunshine: 11h and 30min).
The month with the least sunshine is February (Average sunshine: 5h and 18min).
Average sunshine days in December
Viano, Italy
- Average sunshine days in December: 19.2 days
The month with the most sunshine days is October (19.3 days).
The month with the least sunshine days is May (12 days).
Average UV index in December
Viano, 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
Viano, Italy
- Average cloud cover in December: 35
The month with the most cloud cover is February (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 17).
Average visibility in December
Viano, Italy
- Average visibility in December: 8km
The months with the highest visibility are June, July and August (10km).
The months with the lowest visibility are January, February, March, October, November and December (8km).
Viano, Italy
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