Temperature for May 2009
In May 2009 the average high temperature in Harrisburg, PA was 73.5°F, and this was 0.5°F cooler than the average of 74.0°F. The hottest day in May 2009 was 23 May when the temperature reached 86.0°F. Overnight the average temperature in May is 52.9°F and in 2009 the average overnight temperature was 0.5°F warmer at 53.4°F.