Weather will likely play an important role when you plan your trip to Cicero, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August with an average temp of 67°F, while the coldest months are January and February with an average of 28°F. The snowiest months in Cicero are February, January, March, and November, with each month seeing an average of 14 inches of snowfall.