Denizli's climate is marked by significant seasonal variations. Winters are cold and occasionally frosty, with temperatures often below freezing between December and February. Spring brings mild temperatures, gradually warming up towards the end of March and April, with occasional warm days that can reach highs above 30°C. Summers are hot, with temperatures frequently exceeding 35°C from May to August, while autumn is characterized by cooler temperatures, returning to around average levels in October and November.