Hot
Average highs reach 33°C, so days can feel very hot.
Weather Guide
Sumter, South Carolina, United States Average Monthly Weather
Weather score56Good annual avg
Best months: September, June, May
Across the year, average daytime temperatures are around 24°C, sunshine averages 7.6h per day, and rainfall totals about 1182mm.
Annual weather
Annual averages
Temp
24°C
Rain
1182mm
Annual total
Sun
7.6h
Weather score
56
Good avg
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
Weather scoreWeather score
Trip feel
Showers
Rainfall averages 142mm, so some wet days are possible.
Bright
Sunshine averages 9.2h per day, so bright days are a strong part of the month.
Map
Weather map
Compare Sumter, South Carolina, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
July33°C average high
July is one of Sumter's warmest months, with daytime heat above the yearly average.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
July142mm average rain
July is one of Sumter's wettest months, so rain is likely to be a major planning factor.
Driest monthsApril to May and September to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
July9.2 hours average sun
July is one of Sumter's sunniest months, with some of the strongest bright-day conditions in the yearly averages.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
Weather score
July69 weather score
July scores above Sumter's yearly average, so the overall weather mix is stronger than most months.
Best weather monthsMay to September
These months have the strongest weather score in the monthly averages.
