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
Setting in of December comes with a decrease in the average high-temperature, moving from a frosty 43.7°F (6.5°C) in November to a freezing cold 30.9°F (-0.6°C). December nights are marked by an average temperature drop to a still subzero cold 21.2°F (-6°C).Humidity
In Shullsburg, Wisconsin, the average relative humidity in December is 84%.Rainfall
In Shullsburg, in December, it is raining for 6.6 days, with typically 1.42" (36mm) of accumulated precipitation. Throughout the year, in Shullsburg, there are 140.6 rainfall days, and 28.03" (712mm) of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. In Shullsburg, in December, snow falls for 9.4 days, with typically accumulated 3.07" (78mm) of snow. Throughout the year, there are 44.1 snowfall days, and 16.77" (426mm) of snow is accumulated.Daylight
With an average of 9h and 6min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 7:11 am and sunset at 4:28 pm. On the last day of December, sunrise is at 7:30 am and sunset at 4:37 pm CST.
Sunshine
In Shullsburg, the average sunshine in December is 4h.UV index
The months with the lowest UV index are January, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct exposure to the Sun during its peak hours around mid-day should be minimized for safety. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays. Be alert! Nearly double the UV rays from the Sun can be reflected by snow.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in December?
What is the average humidity in December?
How much does it rain in December?
How much does it snow in December?
What is the month with the shortest days?
What is the average length of the day in December?
When is the sunrise / sunset in December?
How many hours of sunshine does Shullsburg have in December?
What is the month with the lowest UV index?
What is the UV index intensity in December?
Average temperature in December
Shullsburg, WI
- Average high temperature in December: 30.9°F
The warmest month (with the highest average high temperature) is July (79.5°F).
The month with the lowest average high temperature is January (24.4°F).
- Average low temperature in December: 21.2°F
The month with the highest average low temperature is July (62.4°F).
The coldest month (with the lowest average low temperature) is January (11.8°F).
Average pressure in December
Shullsburg, WI
- Average pressure in December: 30.09"Hg
The month with the highest atmospheric pressure is January (30.12"Hg).
The month with the lowest atmospheric pressure is June (29.91"Hg).
Average wind speed in December
Shullsburg, WI
- Average wind speed in December: 9.6mph
The windiest month (with the highest average wind speed) is April (10.3mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Shullsburg, 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
Shullsburg, WI
- Average rainfall in December: 1.42"
The wettest month (with the highest rainfall) is June (3.94").
The driest month (with the least rainfall) is January (1.1").
Average rainfall days in December
Shullsburg, WI
- Average rainfall days in December: 6.6 days
The month with the highest number of rainy days is May (18.2 days).
The month with the least rainy days is February (3.9 days).
Average snowfall in December
Shullsburg, WI
- Average snowfall in December: 3.07"
The month with the highest snowfall is January (4.69").
The months with the least snowfall are June, July, August and September (0").
Average snowfall days in December
Shullsburg, WI
- Average snowfall days in December: 9.4 days
The month with the highest number of snowfall days is January (12.3 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Shullsburg, WI
- Average daylight in December: 9h and 1min
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: 4h and 0min
The month with the most sunshine is July (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 3h and 30min).
Average sunshine days in December
Shullsburg, WI
- Average sunshine days in December: 17.3 days
The month with the most sunshine days is November (18.2 days).
The month with the least sunshine days is June (10.3 days).
Average UV index in December
Shullsburg, 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
Shullsburg, WI
- Average cloud cover in December: 60
The month with the most cloud cover is January (Cloud cover 64).
The months with the least cloud cover are August and September (Cloud cover 33).
Average visibility in December
Shullsburg, 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).
Shullsburg, Wisconsin, USA
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