The weather is Pompeii is Mediterranean. Dry summers and Mild winters make it a pleasant place to visit all-round the year.
Summer (June to September): Late July and early August are the hottest periods. June and September are ideal for outdoor excursions and ruin explorations as the weather is not to hot and is dry enough to be outdoors.
Autumn (October and November): October being a pleasant time, the rain kick starts in November which makes it a good season to visit Pompeii.
Winter (December to February): December is the coldest month with rain showers and very few hours of sunlight and this time is off season in Pompeii. Although, the temperature never drops below 10 degree Celsius during the day.
Spring (March to May): Great weather, blossoming trees and cool nights make it a beautiful time to visit Pompeii and also a peak season for visitors to enjoy this place.
The best time to visit Pompeii is spring (March to May) and Autumn (October and November).