The temperatures in Sumter in December are quite cold with temperatures between 6°C and 14°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sumter during the month of December. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Our weather forecast can give you a great sense of what weather to expect in Sumter in December 2024.
If you’re planning to visit Sumter in the near future, we highly recommend that you review the 14 day weather forecast for Sumter before you arrive.
Temperatures
14° / 6°
Rainy Days
6
Snowy Days
0
Dry Days
25
Rainfall
135
mm
Sun Hours
6.4
Hrs
