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
During the transition into December, Wisconsin Dells observes a decrease in the average high-temperature, falling from a cold 41.7°F (5.4°C) in November to a subzero cold 28.8°F (-1.8°C). During the month of December, the nighttime temperature in Wisconsin Dells falls to an average of 18.5°F (-7.5°C).Humidity
In Wisconsin Dells, the average relative humidity in December is 85%.Rainfall
In Wisconsin Dells, in December, it is raining for 4.2 days, with typically 0.43" (11mm) of accumulated precipitation. Throughout the year, there are 94.1 rainfall days, and 8.46" (215mm) of precipitation is accumulated.Snowfall
January through April, October through December are months with snowfall. In Wisconsin Dells, during December, snow falls for 10.1 days and regularly aggregates up to 1.22" (31mm) of snow. Throughout the year, in Wisconsin Dells, there are 43.9 snowfall days, and 6.02" (153mm) of snow is accumulated.Daylight
The month with the shortest days in Wisconsin Dells, Wisconsin, is December, with an average of 9h and 0min of daylight.On the first day of the month, sunrise is at 7:13 am and sunset at 4:23 pm. On the last day of December, sunrise is at 7:32 am and sunset at 4:32 pm CST.
Sunshine
In Wisconsin Dells, the average sunshine in December is 3.7h.UV index
The months with the lowest UV index in Wisconsin Dells, Wisconsin, are January, February, November and December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's most harmful UV rays are emitted around midday; avoid staying outdoors for long during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. 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 Wisconsin Dells in December?
What is the average humidity in December in Wisconsin Dells?
How many days does it rain in December in Wisconsin Dells?
How much does it snow in Wisconsin Dells in December?
What is the month with the shortest days in Wisconsin Dells?
How many hours of daylight does Wisconsin Dells have in December?
When is the sunrise / sunset in December in Wisconsin Dells?
How many hours of sunshine does Wisconsin Dells have in December?
What are the months with the lowest UV index in Wisconsin Dells?
How high is the UV index in December in Wisconsin Dells?
Average temperature in December
Wisconsin Dells, WI
- Average high temperature in December: 28.8°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 (22.5°F).
- Average low temperature in December: 18.5°F
The month with the highest average low temperature is July (60.8°F).
The coldest month (with the lowest average low temperature) is January (10°F).
Average pressure in December
Wisconsin Dells, 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
Wisconsin Dells, WI
- Average wind speed in December: 9.1mph
The windiest month (with the highest average wind speed) is April (9.8mph).
The calmest month (with the lowest average wind speed) is August (6.6mph).
Average humidity in December
Wisconsin Dells, WI
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (76%).
Average rainfall in December
Wisconsin Dells, WI
- Average rainfall in December: 0.43"
The wettest month (with the highest rainfall) is June (1.18").
The driest month (with the least rainfall) is January (0.31").
Average rainfall days in December
Wisconsin Dells, WI
- Average rainfall days in December: 4.2 days
The month with the highest number of rainy days is June (13.3 days).
The month with the least rainy days is February (2.3 days).
Average snowfall in December
Wisconsin Dells, WI
- Average snowfall in December: 1.22"
The month with the highest snowfall is February (2.01").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in December
Wisconsin Dells, WI
- Average snowfall days in December: 10.1 days
The month with the highest number of snowfall days is January (11.9 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Wisconsin Dells, 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 4min
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
Wisconsin Dells, WI
- Average sunshine days in December: 21.4 days
The month with the most sunshine days is November (21.7 days).
The month with the least sunshine days is June (14.1 days).
Average UV index in December
Wisconsin Dells, 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, February, November and December (UV index 1).
Average cloud cover in December
Wisconsin Dells, WI
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 67).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Wisconsin Dells, 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).
Wisconsin Dells, Wisconsin, USA
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