The weather in Sumter in June is hot. The average temperatures are between 21°C and 31°C.
You can expect about 3 to 8 days of rain in Sumter during the month of June. 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 June 2025.
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
31° / 21°
Rainy Days
7
Snowy Days
0
Dry Days
23
Rainfall
145
mm
Sun Hours
8.1
Hrs
