Harrisburg, PA Climate in October

Temperature for October

In Harrisburg, PA during October the average high temperature is 65.2°F. The hottest day on record was October 9, 2007 when the temperature hit 90.0°F.

Harrisburg, PA daily average and extreme temperature range for October

Low Temperature

During October the overnight temperature drops to an average of 46.3°F, with the lowest temperature of 28.4°F being recorded on October 23, 1997. Overnight temperatures drop below freezing between 1 and 4 times in October.

Precipitation for October

In October the average monthly rainfall in Harrisburg, PA is 2.23 inches with rain usually falling on between 3 and 4 days. 1992 was the driest October with only 0.00 inches of rain falling, and 2005 was the wettest October with 6.59 inches of rain. The wettest single day in October was 8 October 2005 when 3.21 inches of rain fell.

In October there have been some years when thunderstorms have occurred, although there are other years when there hasn't been a thunderstorm in October.