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
The commencement of December involves a temperature shift, with the average high-temperature dropping from an icy 41.9°F (5.5°C) in November to a subzero cold 28°F (-2.2°C). During December, Viola's temperature averages to a still freezing cold 17.4°F (-8.1°C) at night.Humidity
In Viola, the average relative humidity in December is 87%.Rainfall
In December, the rain falls for 5.1 days. Throughout December, 1.57" (40mm) of precipitation is accumulated. Throughout the year, in Viola, there are 130.6 rainfall days, and 28.58" (726mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Viola, in December, during 10.8 snowfall days, 4.29" (109mm) of snow is typically accumulated. Throughout the year, there are 54.2 snowfall days, and 24.65" (626mm) of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 7:16 am and sunset at 4:27 pm. On the last day of the month, sunrise is at 7:35 am and sunset at 4:36 pm CST.
Sunshine
In Viola, the average sunshine in December is 3.5h.UV index
The months with the lowest UV index in Viola are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun during its peak radiation time around midday is a healthy practice. Tightly woven clothing, when worn loosely, shields effectively against the Sun. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Frequently asked questions
How cold is it in Viola in December?
What is the average humidity in December in Viola?
How many days does it rain in December in Viola?
How much does it snow in Viola in December?
What is the month with the shortest days in Viola?
How many hours of daylight does Viola have in December?
What time are sunrise and sunset in December in Viola?
How long on average sun shines in December in Viola?
When is the lowest UV index in Viola?
What is the UV index intensity in December in Viola?
Average temperature in December
Viola, WI
- Average high temperature in December: 28°F
The warmest month (with the highest average high temperature) is July (79.7°F).
The month with the lowest average high temperature is January (22.1°F).
- Average low temperature in December: 17.4°F
The month with the highest average low temperature is July (61.2°F).
The coldest month (with the lowest average low temperature) is January (9.3°F).
Average pressure in December
Viola, WI
- Average pressure in December: 30.1"Hg
The months with the highest atmospheric pressure are January and February (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.9"Hg).
Average wind speed in December
Viola, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.3mph).
The calmest month (with the lowest average wind speed) is August (6.3mph).
Average humidity in December
Viola, WI
- Average humidity in December: 87%
The month with the highest relative humidity is January (91%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Viola, WI
- Average rainfall in December: 1.57"
The wettest month (with the highest rainfall) is June (4.8").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Viola, WI
- Average rainfall days in December: 5.1 days
The month with the highest number of rainy days is May (18.4 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in December
Viola, WI
- Average snowfall in December: 4.29"
The month with the highest snowfall is February (6.38").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Viola, WI
- Average snowfall days in December: 10.8 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Viola, WI
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 3h and 3min
The months with the most sunshine are July and August (Average sunshine: 9h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 6min).
Average sunshine days in December
Viola, WI
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is December (17.4 days).
The month with the least sunshine days is June (9.8 days).
Average UV index in December
Viola, WI
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Viola, WI
- Average cloud cover in December: 64
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Viola, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, October and November (6mi).
The month with the lowest visibility is January (4mi).
Viola, Wisconsin, USA
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