December weather forecastSheldon, WI
December
Weather in December
December, the first month of the winter in Sheldon, is also a subzero cold month, with an average temperature ranging between min 13.8°F (-10.1°C) and max 24.1°F (-4.4°C).Temperature
Sheldon in December experiences a subtle temperature decline, with average high-temperatures reducing from an icy 37.9°F (3.3°C) in November to a freezing cold 24.1°F (-4.4°C). Sheldon experiences a mean low-temperature of 13.8°F (-10.1°C) during December.Humidity
In Sheldon, the average relative humidity in December is 90%.Rainfall
In Sheldon, in December, during 4.4 rainfall days, 1.61" (41mm) of precipitation is typically accumulated. Throughout the year, there are 137.4 rainfall days, and 26.26" (667mm) of precipitation is accumulated.Snowfall
January through May, October through December are months with snowfall. In Sheldon, Wisconsin, in December, during 16.5 snowfall days, 6.5" (165mm) of snow is typically accumulated. Throughout the year, in Sheldon, there are 84 snowfall days, and 33.46" (850mm) of snow is accumulated.Daylight
December has the shortest days of the year in Sheldon, with an average of 8h and 48min of daylight.On the first day of December, sunrise is at 7:23 am and sunset at 4:22 pm. On the last day of the month, sunrise is at 7:43 am and sunset at 4:31 pm CST.
Sunshine
In Sheldon, the average sunshine in December is 2.9h.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 threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. The solar radiation around mid-day is intense; avoid the Sun and stay safe. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. 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
Sheldon, WI
- Average high temperature in December: 24.1°F
The warmest month (with the highest average high temperature) is July (78.8°F).
The month with the lowest average high temperature is January (18.7°F).
- Average low temperature in December: 13.8°F
The month with the highest average low temperature is July (58.6°F).
The coldest month (with the lowest average low temperature) is January (6.1°F).
Average pressure in December
Sheldon, 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 (29.89"Hg).
Average wind speed in December
Sheldon, WI
- Average wind speed in December: 8.5mph
The windiest month (with the highest average wind speed) is April (8.9mph).
The calmest months (with the lowest average wind speed) are July and August (6.6mph).
Average humidity in December
Sheldon, WI
- Average humidity in December: 90%
The months with the highest relative humidity are January and February (92%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Sheldon, WI
- Average rainfall in December: 1.61"
The wettest month (with the highest rainfall) is June (4.06").
The driest month (with the least rainfall) is January (0.94").
Average rainfall days in December
Sheldon, WI
- Average rainfall days in December: 4.4 days
The month with the highest number of rainy days is May (18.3 days).
The months with the least rainy days are January and February (3.7 days).
Average snowfall in December
Sheldon, WI
- Average snowfall in December: 6.5"
The month with the highest snowfall is February (7.44").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Sheldon, WI
- Average snowfall days in December: 16.5 days
The month with the highest number of snowfall days is January (17.8 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Sheldon, WI
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 2h and 54min
The month with the most sunshine is July (Average sunshine: 9h and 42min).
The months with the least sunshine are January and February (Average sunshine: 2h and 48min).
Average sunshine days in December
Sheldon, WI
- Average sunshine days in December: 13.5 days
The month with the most sunshine days is October (15.6 days).
The month with the least sunshine days is June (9.3 days).
Average UV index in December
Sheldon, 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
Sheldon, WI
- Average cloud cover in December: 71
The months with the most cloud cover are January and February (Cloud cover 72).
The months with the least cloud cover are July and August (Cloud cover 36).
Average visibility in December
Sheldon, WI
- Average visibility in December: 5mi
The months with the highest visibility are April, May, June, October and November (6mi).
The months with the lowest visibility are January and February (4mi).





