Savannah Georgia December 2025 Weather. Expect 17°c daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in savannah in december. Check accurate weather in december in savannah (ga).

Hourly week 10 days 14 days 30 days year. The average day in savannah during december has 10.1 hours of daylight, with sunrise at 7:16 am and sunset at 5:22 pm.