December weather forecastBaraboo, WI
December
Weather in December
The weather in December in Baraboo fully embraces winter, with temperatures falling further to record an average high of 28.9°F (-1.7°C) as the city dives into the heart of the cold season. The snowfall increases to 0.71" (18mm), marking the imminent onset of winter and creating a beautiful snowy landscape. The weather takes a stark turn to colder days with the city enveloped in white. December sees the end of the year and it culminates in festive white Christmas days, a sight to behold in Baraboo. Conclusively, snow becomes an integral part of the city's winter charm.Temperature
The shift from November to December involves a decrease in the average high-temperature, from a cold 42.1°F (5.6°C) to a subzero cold 28.9°F (-1.7°C). In the month of December, the average low-temperature in Baraboo usually rests at 18.9°F (-7.3°C).Humidity
In December, the average relative humidity is 85%.Rainfall
In Baraboo, in December, it is raining for 3.6 days, with typically 0.31" (8mm) of accumulated precipitation. Throughout the year, there are 88.4 rainfall days, and 7.4" (188mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Baraboo, in December, during 8.9 snowfall days, 0.71" (18mm) of snow is typically accumulated. Throughout the year, there are 40 snowfall days, and 4.76" (121mm) of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:12 am and sunset at 4:23 pm. On the last day of December, sunrise is at 7:31 am and sunset at 4:32 pm CST.
Sunshine
In Baraboo, the average sunshine in December is 3.7h.UV index
January, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The daily maximum UV index of 1 in December interprets into the following advice:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. Exposing oneself to the midday Sun can be harmful due to the strong UV radiation; limit your time outside. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Baraboo, WI
- Average high temperature in December: 28.9°F
The warmest month (with the highest average high temperature) is July (79°F).
The month with the lowest average high temperature is January (22.5°F).
- Average low temperature in December: 18.9°F
The month with the highest average low temperature is July (61.3°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in December
Baraboo, 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
Baraboo, 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
Baraboo, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The months with the lowest relative humidity are April and October (77%).
Average rainfall in December
Baraboo, WI
- Average rainfall in December: 0.31"
The wettest month (with the highest rainfall) is July (0.98").
The driest month (with the least rainfall) is January (0.28").
Average rainfall days in December
Baraboo, WI
- Average rainfall days in December: 3.6 days
The month with the highest number of rainy days is May (11.8 days).
The month with the least rainy days is February (2.2 days).
Average snowfall in December
Baraboo, WI
- Average snowfall in December: 0.71"
The month with the highest snowfall is January (1.38").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Baraboo, WI
- Average snowfall days in December: 8.9 days
The month with the highest number of snowfall days is January (9.8 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
Baraboo, 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 42min
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 12min).
Average sunshine days in December
Baraboo, WI
- Average sunshine days in December: 23 days
The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (13.8 days).
Average UV index in December
Baraboo, WI
- Average UV index in December: 1
The months with the highest UV index are June and July (UV index 6).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Baraboo, WI
- Average cloud cover in December: 63
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
Baraboo, 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).
