Wisconsin Weather, climate and geography
Weather and climate
Best time to visit
Summers are warm with cool nights. Winters are cold and snowy, especially around the Great Lakes where conditions can be severe. Winter temperatures of minus 40ºC (-40ºF) or lower are common in the north, and summer temperatures are often above 30ºC (90ºF) in the south of the state.
Lightweights for the summer with cover-up for cool nights. Heavyweights for the winter and extra bundling for winter sports.