Italy has a varied climate, including a harsh climate in northern Italy, a milder climate in central and southern Italy. Italy typically faces thunderstorms in fall moving into a rainy winter.
Italy's varied geography creates the number of climate systems, which are present in Italy. Northern Italy has a version of the humid subtropical climate. Northern Italy is generally characterized by cold winters and very hot summers. Coastal areas have a variation of the Mediterranean climate. Central Italy is characterized by a smaller difference in temperature between summer and winter. Summers are longer than in the north, whereas winters are brief and mild. In the south, spring and fall temperatures reach similar highs to the summers in central Italy.
Based on the Koppen climate classification, Italy contains seven different climate systems. Italy includes the Mediterranean climate Csa, the Mediterranean mild climate Csb, the Humid subtropical climate Cfa, the Oceanic climate Cfb, the Humid continental climate Dfb, the cold continental climate Dfc and the Tundra climate ET. The Tundra climate is the least frequently occurring climate, found only above the tree line in the Alps. Cervinia, Sestriere and Trepalle are among the villages that exist in the Tundra climate system. Naples and Rome fall within the Mediterranean climate whereas Florence, Venice and Milan fall in the Humid subtropical climate.