Weather will likely play an important role when you plan your trip to Sorrento, but bear 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 temperature of 13°C, while the coldest months are February and January, with an average of -7°C. The snowiest months in Sorrento are January, December, February and March, with each month seeing an average of 29 cm of snowfall.