section_path: Geography/Climate
section_name: Climate
paragraph_text: Climate
  
  The climate is influenced by the seas that surround Italy on every side except the north, which constitute a reservoir of heat and humidity. Within the southern temperate zone, they determine a Mediterranean climate with local differences. Because of the length of the peninsula and the mostly mountainous hinterland, the climate is highly diverse. In most inland northern and central regions, the climate ranges from humid subtropical to humid continental and oceanic. The Po Valley is mostly humid subtropical, with cool winters and hot summers. The coastal areas of Liguria, Tuscany, and most of the south generally fit the Mediterranean climate stereotype, as in the Köppen climate classification.
  
  Conditions on the coast are different from those in the interior, particularly during winter when the higher altitudes tend to be cold, wet, and often snowy. The coastal regions have mild winters, and hot and generally dry summers; lowland valleys are hot in summer. Winter temperatures vary from 0 °C (32 °F) in the Alps to 12 °C (54 °F) in Sicily; so, average summer temperatures range from 20 °C (68 °F) to over 25 °C (77 °F). Winters can vary widely with lingering cold, foggy, and snowy periods in the north, and milder, sunnier conditions in the south. Summers are hot across the country, except at high altitude, particularly in the south. Northern and central areas can experience strong thunderstorms from spring to autumn.