Sumter, SC Climate in October

Temperature for October

In Sumter, SC during October the average high temperature is 75.2°F. The hottest day on record was October 6, 1954 when the temperature hit 99.0°F.

Sumter, SC daily average and extreme temperature range for October

Low Temperature

During October the overnight temperature drops to an average of 55.0°F, with the lowest temperature of 30.0°F being recorded on October 27, 1962. Overnight temperatures drop below freezing 1 times in October.

Precipitation for October

In October the average monthly rainfall in Sumter, SC is 1.71 inches with rain usually falling on between 8 and 9 days. 1943 was the driest October with only 0.00 inches of rain falling, and 1990 was the wettest October with 19.59 inches of rain. The wettest single day in October was 11 October 1990 when 12.17 inches of rain fell.

There are thunderstorms on between 1 and 2 days in October.