December weather forecastWitwen, WI
December
Weather in December
The first month of the winter, December, is also a subzero cold month in Witwen, Wisconsin, with temperature in the range of an average high of 29.5°F (-1.4°C) and an average low of 19.4°F (-7°C).Temperature
The onset of December is marked by a decrease in temperature, transitioning from a cold 42.3°F (5.7°C) in November to a subzero cold 29.5°F (-1.4°C). The low-temperature averages to a still freezing cold 19.4°F (-7°C) during the nights of December.Humidity
In Witwen, the average relative humidity in December is 85%.Rainfall
In Witwen, in December, it is raining for 4.8 days, with typically 0.71" (18mm) of accumulated precipitation. In Witwen, during the entire year, the rain falls for 122.6 days and collects up to 16.02" (407mm) of precipitation.Snowfall
January through April, October through December are months with snowfall. In Witwen, Wisconsin, in December, snow falls for 10.5 days, with typically accumulated 1.77" (45mm) of snow. In Witwen, during the entire year, snow falls for 50.5 days and aggregates up to 11.69" (297mm) 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 7:12 am and sunset at 4:25 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:34 pm CST.
Sunshine
The average sunshine in December is 3.8h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 1 translates into these guidelines:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. Enhance your sun protection with tightly woven, yet airy clothing. Be aware! The reflective nature of snow can magnify the Sun's UV radiation almost twofold.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Witwen, WI
- Average high temperature in December: 29.5°F
The warmest month (with the highest average high temperature) is July (79.2°F).
The month with the lowest average high temperature is January (22.6°F).
- Average low temperature in December: 19.4°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 (10.6°F).
Average pressure in December
Witwen, WI
- Average pressure in December: 30.09"Hg
The months with the highest atmospheric pressure are January and February (30.11"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Witwen, WI
- Average wind speed in December: 9.2mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.5mph).
Average humidity in December
Witwen, WI
- Average humidity in December: 85%
The month with the highest relative humidity is January (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Witwen, WI
- Average rainfall in December: 0.71"
The wettest month (with the highest rainfall) is June (2.48").
The driest month (with the least rainfall) is January (0.51").
Average rainfall days in December
Witwen, WI
- Average rainfall days in December: 4.8 days
The month with the highest number of rainy days is June (16.8 days).
The month with the least rainy days is February (3.1 days).
Average snowfall in December
Witwen, WI
- Average snowfall in December: 1.77"
The month with the highest snowfall is February (2.8").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Witwen, WI
- Average snowfall days in December: 10.5 days
The month with the highest number of snowfall days is January (13.2 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Witwen, WI
- 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: 3h and 48min
The month with the most sunshine is July (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 3h and 18min).
Average sunshine days in December
Witwen, WI
- Average sunshine days in December: 18.4 days
The month with the most sunshine days is November (19.9 days).
The month with the least sunshine days is June (9.9 days).
Average UV index in December
Witwen, 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, November and December (UV index 1).
Average cloud cover in December
Witwen, WI
- Average cloud cover in December: 62
The month with the most cloud cover is January (Cloud cover 66).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Witwen, WI
- Average visibility in December: 6mi
The months with the highest visibility are March, April, May, June, October, November and December (6mi).
The months with the lowest visibility are January, February, July, August and September (5mi).





