The Aegean and Mediterranean coastal regions have cool, rainy winters and hot, moderately dry summers, with annual precipitation ranging from 580 to 1,300 millimeters.
The Black Sea coastal region, whose temperature range is cooler than the other coastal regions, has the heaviest rainfall in Turkey, averaging 1,400 millimeters per year. Because it is blocked from the sea by Turkey’s mountain ranges, the Anatolian Plateau has a severely continental climate, with extreme cold in the winter (reaching –40º C) and extreme heat in summer. Rainfall there is very sparse in summer, but snowfall in winter is heavy. Annual precipitation averages 400 millimeters.
The eastern highlands have hot, dry summers and very cold winters with heavy snowfall.
Source: (CIA Fact Book)