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Weather in January in Wisconsin

Thinking about venturing to Wisconsin this January and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What is the weather like in Wisconsin in January?

Wisconsin is a region in the United States of America. January in Wisconsin generally has very cold temperatures, with precipitation levels ranging from low to moderate. During January, winter is in full swing.

Temperatures

The average maximum temperatures are very cold and range from -6°C in Minocqua to -1°C in Kenosha. Nighttime temperatures generally drop to -9°C in Kenosha and -16°C in Minocqua. In general, this month stands out as the coldest period throughout the year. Given the lower temperatures, it's essential to be well-prepared. Packing the right winter clothing and necessary accessories can make a significant difference in ensuring your comfort and well-being during this chilly season.

Precipitation

In January, precipitation varies across different areas. From low snowfall in Saint Croix Falls with an average of 14 mm to moderate snowfall in Elkhorn with 43 mm. Based on climate data from the last 30 years, Lake Geneva typically sees the least rain in this month, making it the driest month of the year.

Average sunshine

Most areas experience a moderate amount of sunshine, with approximately 138 hours of sunlight expected in Lake Geneva. This makes it neither too gloomy nor overly bright.

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

Where to go in Wisconsin in January

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 January for the 5 most popular destinations in Wisconsin?

Lake Geneva

In January Lake Geneva generally has very low temperatures with maximum daytime temperatures around -2°C, minimum nighttime temperatures around -11°C and moderate monthly snowfall. 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 snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
1°C 
-7°C 
104 hours 
76 mm 
12 days 
poor 
-2°C 
-11°C 
138 hours 
43 mm 
10 days 
poor 
-2°C 
-11°C 
152 hours 
51 mm 
10 days 
poor 
Climate in Lake Geneva

Brookfield

In January Brookfield generally has very low temperatures with maximum daytime temperatures around -2°C, minimum nighttime temperatures around -11°C and moderate monthly snowfall. 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 snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
1°C 
-7°C 
104 hours 
76 mm 
13 days 
poor 
-2°C 
-11°C 
138 hours 
34 mm 
10 days 
poor 
-2°C 
-11°C 
152 hours 
44 mm 
10 days 
poor 
Climate in Brookfield

Janesville

In January Janesville generally has very low temperatures with maximum daytime temperatures around -2°C, minimum nighttime temperatures around -11°C and moderate monthly snowfall. 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 snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
1°C 
-8°C 
107 hours 
76 mm 
12 days 
poor 
-2°C 
-11°C 
145 hours 
36 mm 
10 days 
poor 
-2°C 
-11°C 
155 hours 
43 mm 
9 days 
poor 
Climate in Janesville

Oak Creek

In January Oak Creek generally has very low temperatures with maximum daytime temperatures around -1°C, minimum nighttime temperatures around -9°C and moderate monthly snowfall. 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 snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
2°C 
-6°C 
104 hours 
74 mm 
12 days 
poor 
-1°C 
-9°C 
138 hours 
37 mm 
10 days 
poor 
-1°C 
-9°C 
152 hours 
51 mm 
10 days 
poor 
Climate in Oak Creek

Pleasant Prairie

In January Pleasant Prairie generally has very low temperatures with maximum daytime temperatures around -1°C, minimum nighttime temperatures around -10°C and moderate monthly snowfall. 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 snowfall precipitationSnowfall
rain daysMonthly rainy days rain daysRainy days
conditionsWeather conditions conditionsWeather
2°C 
-6°C 
104 hours 
75 mm 
12 days 
poor 
-1°C 
-10°C 
138 hours 
40 mm 
10 days 
poor 
-1°C 
-10°C 
152 hours 
55 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 January the best time to visit Wisconsin?

In our opinion, January may not be the ideal time to visit Wisconsin due to the typically poor weather in Lake Geneva.

On average, the best time to visit Wisconsin is in May, July and September with generally 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. Interested in the weather conditions in a specific month? Select the month below.

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  • 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.

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