Harrisburg, PA Climate in August

Temperature for August

In Harrisburg, PA during August the average high temperature is 84.0°F. The hottest day on record was August 2, 1991 when the temperature hit 100.0°F.

Harrisburg, PA daily average and extreme temperature range for August

Low Temperature

During August the overnight temperature drops to an average of 65.2°F, with the lowest temperature of 50.0°F being recorded on August 30, 1992. In August it has never frozen overnight.

Precipitation for August

In August the average monthly rainfall in Harrisburg, PA is 2.43 inches with rain usually falling on between 4 and 5 days. 1992 was the driest August with only 0.00 inches of rain falling, and 2011 was the wettest August with 8.15 inches of rain. The wettest single day in August was 13 August 2010 when 3.38 inches of rain fell.

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