December weather forecastBoscobel, WI
December
Weather in December
December, the first month of the winter in Boscobel, is also a subzero cold month, with an average temperature ranging between min 18.9°F (-7.3°C) and max 29.7°F (-1.3°C).Temperature
Welcoming December, Boscobel observes a shift in the average high-temperature, falling from November's chilly 43°F (6.1°C) to a freezing cold 29.7°F (-1.3°C). During December, Boscobel's temperature averages to 18.9°F (-7.3°C) at night.Humidity
The average relative humidity in December is 84%.Rainfall
In December, the rain falls for 6.8 days. Throughout December, 1.5" (38mm) of precipitation is accumulated. Throughout the year, there are 142.4 rainfall days, and 28.66" (728mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Boscobel, Wisconsin, in December, during 12.7 snowfall days, 4.21" (107mm) of snow is typically accumulated. In Boscobel, during the entire year, snow falls for 60.2 days and aggregates up to 22.13" (562mm) of snow.Daylight
The month with the shortest days is December, with an average of 9h and 6min of daylight.On the first day of December, sunrise is at 7:15 am and sunset at 4:28 pm. On the last day of the month, sunrise is at 7:34 am and sunset at 4:37 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 of 2, and less, symbolizes a low health risk from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum UV index, 1 during December, leads to the following recommendations:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Pay attention! The reflection of snow can enhance the Sun's UV radiation almost double.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Boscobel, WI
- Average high temperature in December: 29.7°F
The warmest month (with the highest average high temperature) is July (80.2°F).
The month with the lowest average high temperature is January (23.4°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 (9.9°F).
Average pressure in December
Boscobel, 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
Boscobel, WI
- Average wind speed in December: 8.8mph
The windiest month (with the highest average wind speed) is April (9.4mph).
The calmest month (with the lowest average wind speed) is August (6.4mph).
Average humidity in December
Boscobel, WI
- Average humidity in December: 84%
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
Boscobel, WI
- Average rainfall in December: 1.5"
The wettest month (with the highest rainfall) is June (4.17").
The driest month (with the least rainfall) is January (1.14").
Average rainfall days in December
Boscobel, WI
- Average rainfall days in December: 6.8 days
The month with the highest number of rainy days is May (19.2 days).
The month with the least rainy days is February (4.3 days).
Average snowfall in December
Boscobel, WI
- Average snowfall in December: 4.21"
The month with the highest snowfall is February (5.98").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Boscobel, WI
- Average snowfall days in December: 12.7 days
The month with the highest number of snowfall days is January (15.7 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
Boscobel, WI
- Average daylight in December: 9h and 6min
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 6min).
- 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 24min).
Average sunshine days in December
Boscobel, WI
- Average sunshine days in December: 14.8 days
The month with the most sunshine days is November (16.7 days).
The month with the least sunshine days is June (9.2 days).
Average UV index in December
Boscobel, WI
- Average UV index in December: 1
The months with the highest UV index are May, June, July and August (UV index 5).
The months with the lowest UV index are January, November and December (UV index 1).
Average cloud cover in December
Boscobel, 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 32).
Average visibility in December
Boscobel, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The month with the lowest visibility is January (4mi).





