Weather is probably a major factor when you plan your trip to Kauhava, 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 58°F, while the coldest months are January and February with an average of 24°F. The snowiest months in Kauhava are December, November, February, and January, with each month seeing an average of 29 inches of snowfall.