Sumter, SC Climate in January

Temperature for January

In Sumter, SC during January the average high temperature is 56.2°F. The hottest day on record was January 28, 1944 when the temperature hit 81.3°F.

Sumter, SC daily average and extreme temperature range for January

Low Temperature

During January the overnight temperature drops to an average of 37.4°F, with the lowest temperature of 4.1°F being recorded on January 21, 1985. On average there are 2 days in January when the temperature stays below freezing all day. In the worst January there were 3 days when the temperature did not make it above freezing. Overnight temperatures drop below freezing between 1 and 21 times in January.

Precipitation for January

In January the average monthly rainfall in Sumter, SC is 2.14 inches with rain usually falling on between 11 and 12 days. 1943 was the driest January with only 0.00 inches of rain falling, and 1993 was the wettest January with 7.62 inches of rain. The wettest single day in January was 7 January 1995 when 2.95 inches of rain fell.

In January it usually snows on between 1 and 2 days. In January there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in January.