What weather patterns characterize southern Europe’s Mediterranean climate?

The Mediterranean climate of southern Europe is primarily characterized by mild, wet winters and hot, dry summers. This subtropical pattern features clear skies for much of the year, though regional variations occur due to topography, elevation, and proximity to the sea.123

Key weather patterns include:

• Seasonal Shifts: In winter, low-pressure disturbances from the North Atlantic bring moist, westerly winds and precipitation. In summer, these low-pressure systems shift away, leading to hot, dry conditions dominated by anticyclonic weather.342
• Wind Systems: The region is influenced by various local winds. Cold, dry winds such as the mistral and bora blow through mountain gaps, while the sirocco—a hot, humid wind—frequently arrives from the south.342
• Precipitation: Rainfall is variable and often unpredictable, with higher amounts typically found in mountainous coastal areas and significantly lower levels in the lee of rain-bearing westerlies.12

While these general features define the climate, local geography—such as the Apennines or the Meseta Central—can significantly modify temperature and rainfall patterns.14