If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Paderno Dugnano: The hottest months are usually July and August with an average temp of 72°F, while the coldest months are January and December with an average of 42°F. The rainiest months in Paderno Dugnano are November, May, August, and October, with each month seeing an average of 7 inches of rainfall.