If you’re hoping to get lost in the rain on your romantic getaway, check out these details about year-round temperatures in Berlin Corners: The hottest months are usually July and August with an average temp of 63°F, while the coldest months are January and February with an average of 22°F. The snowiest months in Berlin Corners are March, January, December, and April, with each month seeing an average of 23 inches of snowfall.