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The climate of Wisconsin (United States of America)
Wisconsin is one of the most northerly located states in the United States of America. Wisconsin borders Lake Michigan to the east, the state of Michigan to the northeast and Lake Superior to the north. Lake Superior forms the natural border with Canada. Wisconsin is a fairly flat state, the highest point is located at an altitude of 595 meters above sea level. In the highlands located in the north Chequamegon-Nicolet National Forest is situated. This enormous forest has a surface area of more than 6,000 square kilometers. Wisconsin is located on the spot where a warm continental climate (type Dfa according to the Köppen climate classification) changes into a moderate continental climate (type Dfb) in the northern part of the state. The climate of Wisconsin is very erratic. Average climate figures can only be used as a guideline. Extremes in weather may occur in all four seasons. During the winter it may be extremely cold. In June, July and August temperatures may reach tropical values, especially in the southern part of the state. The lowest temperature on record is -48 degrees Celsius (-54 degrees Fahrenheit), which was recorded in Couderay in February 1996. The highest temperature on record is 46 degrees Celsius (115 degrees Fahrenheit), recorded in Wisconsin Dells in July 1936.

Climate information of places in Wisconsin
The climate information given on this page is only brief. Specific information on weather and climate can be found on the pages per region or city. The following climate information is available for Wisconsin:

Appleton
Eau Claire
Green Bay
La Crosse

Madison
Milwaukee
Wausau

   

 

Climate information
Throughout Wisconsin several climate figures and temperatures can be recorded. The figures below are for Madison and cannot be seen as an average for this state. For climate figures for other places and regions in Wisconsin please, visit the individual climate pages.

average
 maximum
temperature (°C)

average
minimum

temperature (°C)
average
hours of sunshine

per
day
average days with precipitation
per month
average
mm
precipitation
per month
average
sea
temperature (°C)
January -4 -14 5 11 n/a
February -1 -12 6 8 n/a
March 5 -5 6 11 n/a
April 14 1 7 12 n/a
May 21 7 9 12 n/a
June 26 12 10 11 n/a
July 28 15 10 10 n/a
August 27 14 9 10 n/a
September 22 9 7 10 n/a
October 16 3 6 9 n/a
November 7 -3 4 10 n/a
December -2 -11 4 11 n/a
= 0-5 mm ● = 6-30 mm ● = 31-60 mm ● = 61-100 mm ● = 101-200 mm ● = over 200 mm
= 0-0.2 inches ● = 0.2-1.2 inches ● = 1.2-2.4 inches ● = 2.5-4 inches ● = 4.1-8 inches ● = over 8 inches

More climate information
Climate tables are useful but they don’t give an overall picture of the climate and possible weather conditions during a period of time. How high the chances are of hot or cold weather or hurricanes can often not be found in these tables. This is why we offer extra climate information per month. The figures below apply to Madison. For climate figures on specific regions and places please, visit the relevant individual climate pages
 

chance of
(very) hot

weather

chance of
(very) cool
weather
chance of
long-term

precipitation
chance of
hurricanes
(cyclones)
chance of
sunny days

UV-index

January
February
March
April
May
June
July
August
September
October
November
December
click here for the explanation of the symbols

Disclaimer
The information at this site was carefully composed from climate data collected by meteorological services, meteorological offices, climate experts and other sources. “More climate info” is based on statistics, climate data and personal experience. No rights can be derived from this site. Weather has no memory and gives no guaranties. Nothing is as changeable and unpredictable as the weather. The authors of this site feel in no way responsible for any damages caused by misinterpretation or other circumstances that may influence your holiday or trip to a certain destination. We provide information, it’s up to the reader to use it to it’s benefit.

 

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