ClimateForecastDecemberJanuary >>

Weather in December in Wisconsin

Are you planning a trip a to Wisconsin in December and wondering what kind of weather to expect? This page has all the details you need.

What is the weather like in Wisconsin in December?

Wisconsin is a region in the United States of America. December in Wisconsin generally has temperatures that range from very cold to cold, with moderate precipitation. December falls during the winter season.

Temperatures

The average highest temperatures fluctuate between very cold in Minocqua at -4°C to cold in Kenosha at 2°C. Nighttime temperatures generally drop to -5°C in Kenosha and -13°C in Minocqua. December is a very cold month in some areas, so be prepared and make sure to dress up warm.

Precipitation

In December, precipitation varies across different areas. From moderate snowfall in Baldwin with an average of 37 mm to moderate snowfall in Grafton with 84 mm.

Average sunshine

Most cities enjoy a balanced amount of sunshine, with around 104 hours of sunlight anticipated in Brookfield. This ensures the days are neither too dim nor excessively sunny.

To learn more about the conditions in specific areas of Wisconsin in December, check out the map below. For more details on the yearly weather, visit our Wisconsin climate page.

Where to go in Wisconsin in December

Find more information for the most popular destinations in the Wisconsin on the map below. Click on a destination dot for more detailes.

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Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C and 29°C and not too much precipitation (less than 90 mm a month).

Popular destinations

What is the weather like in December for the 5 most popular destinations in Wisconsin?

Brookfield

In December Brookfield generally has very low temperatures with maximum daytime temperatures around 1°C, minimum nighttime temperatures around -7°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Brookfield
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
8°C 
-2°C 
111 hours 
51 mm 
9 days 
poor 
1°C 
-7°C 
104 hours 
76 mm 
13 days 
poor 
January   >> January
>>  
-2°C 
-11°C 
138 hours 
34 mm 
10 days 
poor 
Climate in Brookfield

Lake Geneva

In December Lake Geneva generally has very low temperatures with maximum daytime temperatures around 1°C, minimum nighttime temperatures around -7°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Lake Geneva
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
8°C 
-2°C 
111 hours 
63 mm 
8 days 
poor 
1°C 
-7°C 
104 hours 
76 mm 
12 days 
poor 
January   >> January
>>  
-2°C 
-11°C 
138 hours 
43 mm 
10 days 
poor 
Climate in Lake Geneva

Janesville

In December Janesville generally has very low temperatures with maximum daytime temperatures around 1°C, minimum nighttime temperatures around -8°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Janesville
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
8°C 
-2°C 
115 hours 
61 mm 
8 days 
poor 
1°C 
-8°C 
107 hours 
76 mm 
12 days 
poor 
January   >> January
>>  
-2°C 
-11°C 
145 hours 
36 mm 
10 days 
poor 
Climate in Janesville

Oak Creek

In December Oak Creek generally has low temperatures with maximum daytime temperatures around 2°C, minimum nighttime temperatures around -6°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Oak Creek
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
9°C 
0°C 
111 hours 
52 mm 
8 days 
poor 
2°C 
-6°C 
104 hours 
74 mm 
12 days 
poor 
January   >> January
>>  
-1°C 
-9°C 
138 hours 
37 mm 
10 days 
poor 
Climate in Oak Creek

Pleasant Prairie

In December Pleasant Prairie generally has very low temperatures with maximum daytime temperatures around 2°C, minimum nighttime temperatures around -6°C and moderate monthly snow/rainfall. So on average the conditions are poor that month.

Pleasant Prairie
minimum temparatureMax temperature minimum temparatureMax temp
maximum temparatureMin temperature maximum temparatureMin temp
sun hoursMonthly sun hours sun hoursSun hours
precipitationMonthly snow/rainfall precipitationSnow/rainfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
9°C 
-1°C 
111 hours 
47 mm 
8 days 
poor 
2°C 
-6°C 
104 hours 
75 mm 
12 days 
poor 
January   >> January
>>  
-1°C 
-10°C 
138 hours 
40 mm 
10 days 
poor 
Climate in Pleasant Prairie

Is your destination not in the list? Have a look at other destinations in Wisconsin, in the United States of America.

Is December the best time to visit Wisconsin?

Given the typically poor weather conditions in Brookfield, December may not be the ideal time to visit Wisconsin.

Generally speaking, the best visiting conditions can be found in May, July, August and September offering mostly perfect weather in Brookfield. The weather in January, February, March, April, November and December, on the other hand, tends to be poor.

Interested in more climate information?

We have much more information about the climate in Wisconsin. Interested in the weather conditions in a specific month? Select the month below.

  • January      
  • February      
  • March      
  • April      
  • May      
  • June      
  • July      
  • August      
  • September      
  • October      
  • November      
  • December      
  • Weather and climate has detailed information for every country in the world. Are you going to the United States of America? Get detailed historical weather averages for many cities in the United States of America.

    Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.