If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Belluno: The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are January and December, with an average of 3°C. The rainiest months in Belluno are November, May, October and June, with each month seeing an average of 185 mm of rainfall.