Weather In Greece In December 2025. Expect 14°c daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in athens in december. Our guide to travel and weather in december in greece includes average temperatures, rain, humidity, places to go, travel tips, and what to wear.

Habitually rain, on and off fog, on and off thunderstorm, sparsely snow and expect brisk weather. Expect 14°c daytime maximum temperatures in the shade with on average 4 hours of sunshine per day in greece in december.