Wisconsin Weather, climate and geography

Weather & 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.

Required clothing

Lightweights for the summer with cover-up for cool nights. Heavyweights for the winter and extra bundling for winter sports.


Visa and passport information is updated regularly and is correct at the time of publishing. You should verify critical travel information independently with the relevant embassy before you travel.