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 Sarentino: The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are January and February, with an average of 2°C. The snowiest months in Sarentino are February, January, March and December, with each month seeing an average of 349 cm of snowfall.