Wisconsin

Wisconsin Weather in December

Average temperatures, rainfall, sunshine and the best places to visit in Wisconsin, the United States of America in December.

Planning a trip to Wisconsin, the United States of America this December? Here's what you need to know about the weather:

What to Expect in Wisconsin in December

Wisconsin, the United States of America 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 (25°F) to cold in Kenosha at 2°C (36°F). Nighttime temperatures generally drop to -5°C (23°F) in Kenosha and -13°C (9°F) in Minocqua. December is a very cold month in some areas, so be prepared and make sure to dress up warm.

For specific regional insights in Wisconsin, the United States of America, refer to the map provided below.

Precipitation

In December, precipitation varies across different areas. From moderate snowfall in Baldwin with an average of 37 mm (1.5 in) to moderate snowfall in Grafton with 84 mm (3.3 in).

Average sunshine

Sunshine is fairly consistent across many areas. Lake Geneva receives about 104 hours of sunlight in December, providing a good balance between sunny spells and cloud cover. If you're after more sunshine hours, take a look at our weather planner for other sun-rich destinations worldwide.

Explore Wisconsin by month

Pick a month to see the average temperature, rainfall and sunshine in Wisconsin — and find the best time to visit. (based on Lake Geneva)

Best Places to Visit in Wisconsin in December

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Wisconsin.

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Wisconsin

What is the weather like in December for some of the most popular destinations in Wisconsin, the United States of America?

Temperature range in Wisconsin (December)

Precipitation variation in Wisconsin (December)

Lake Geneva

In December Lake Geneva generally has very low temperatures with maximum daytime temperatures around 1°C (34°F), minimum nighttime temperatures around -7°C (19°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
8°C (46°F)
1°C (34°F)
-2°C (28°F)
Min temperature
-2°C (28°F)
-7°C (19°F)
-11°C (12°F)
Monthly sun hours
111 hours
104 hours
138 hours
Monthly snow/rainfall
63 mm (2.5 in)
76 mm (3 in)
43 mm (1.7 in)
Monthly rainy days
8 days
12 days
10 days
Weather conditions

Brookfield

In December Brookfield generally has very low temperatures with maximum daytime temperatures around 1°C (34°F), minimum nighttime temperatures around -7°C (19°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
8°C (46°F)
1°C (34°F)
-2°C (28°F)
Min temperature
-2°C (28°F)
-7°C (19°F)
-11°C (12°F)
Monthly sun hours
111 hours
104 hours
138 hours
Monthly snow/rainfall
51 mm (2 in)
76 mm (3 in)
34 mm (1.3 in)
Monthly rainy days
9 days
13 days
10 days
Weather conditions

Oak Creek

In December Oak Creek generally has low temperatures with maximum daytime temperatures around 2°C (36°F), minimum nighttime temperatures around -6°C (21°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
9°C (48°F)
2°C (36°F)
-1°C (30°F)
Min temperature
0°C (32°F)
-6°C (21°F)
-9°C (16°F)
Monthly sun hours
111 hours
104 hours
138 hours
Monthly snow/rainfall
52 mm (2 in)
74 mm (2.9 in)
37 mm (1.5 in)
Monthly rainy days
8 days
12 days
10 days
Weather conditions

Pleasant Prairie

In December Pleasant Prairie generally has very low temperatures with maximum daytime temperatures around 2°C (36°F), minimum nighttime temperatures around -6°C (21°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
9°C (48°F)
2°C (36°F)
-1°C (30°F)
Min temperature
-1°C (30°F)
-6°C (21°F)
-10°C (14°F)
Monthly sun hours
111 hours
104 hours
138 hours
Monthly snow/rainfall
47 mm (1.9 in)
75 mm (3 in)
40 mm (1.6 in)
Monthly rainy days
8 days
12 days
10 days
Weather conditions

Janesville

In December Janesville generally has very low temperatures with maximum daytime temperatures around 1°C (34°F), minimum nighttime temperatures around -8°C (18°F) and moderate monthly snow/rainfall. So on average the conditions are poor that month.

November
December
January
Max temperature
8°C (46°F)
1°C (34°F)
-2°C (28°F)
Min temperature
-2°C (28°F)
-8°C (18°F)
-11°C (12°F)
Monthly sun hours
115 hours
107 hours
145 hours
Monthly snow/rainfall
61 mm (2.4 in)
76 mm (3 in)
36 mm (1.4 in)
Monthly rainy days
8 days
12 days
10 days
Weather conditions

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

Popular cities in December

Day & night temperatures, rainfall and average weather in Wisconsin in December.

City Weather Day temp Night temp Rainfall
Lake Geneva 1°C (34°F) -7°C (19°F) 76 mm (3 in)
Brookfield 1°C (34°F) -7°C (19°F) 76 mm (3 in)
Oak Creek 2°C (36°F) -6°C (21°F) 74 mm (2.9 in)
Pleasant Prairie 2°C (36°F) -6°C (21°F) 75 mm (3 in)
Janesville 1°C (34°F) -8°C (18°F) 76 mm (3 in)
Racine 2°C (36°F) -6°C (21°F) 79 mm (3.1 in)

Wisconsin weather in December: frequently asked questions

What is the weather like in Wisconsin, the United States of America in December?

Expect poor weather across Wisconsin, the United States of America in December. The popular destination of Lake Geneva averages 1°C (34°F) by day and -7°C (19°F) at night during this winter month.

What is the average temperature in Wisconsin, the United States of America in December?

Daytime temperatures in Lake Geneva peak at roughly 1°C (34°F) in December, dropping to about -7°C (19°F) overnight.

Does Wisconsin, the United States of America get a lot of snow/rain in December?

Not particularly. Lake Geneva averages just 76 mm (3 in) of snow/rain in December, making it a mostly dry month for Wisconsin, the United States of America.

Is December a Good Time to Visit Wisconsin, the United States of America?

Given the typically poor weather conditions in Lake Geneva, December may not be the ideal time to visit Wisconsin, the United States of America.

Generally speaking, the best visiting conditions can be found in May, July and September offering mostly perfect weather in Lake Geneva. The weather in January, February, March, 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.

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.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.