Turkey - Weather Overview
The Aegean and Mediterranean coasts have mild, rainy winters and hot, dry summers. In İstanbul, summer temperatures average around 28-30°C (82-86°F); the winters are chilly but usually above freezing, with moderate rain and perhaps a dusting of snow. The Anatolian plateau is hotter in summer and very cold in winter. The Black Sea coast is mild and rainy in summer, and chilly and rainy in winter. Mountainous eastern Turkey is very cold and snowy in winter and only pleasantly warm in high summer. The southeast is dry and mild in winter and very hot in summer, with temperatures above 45° C (113° F) not unusual.