Selinsgrove Average Temperature by Month

This page shows the average temperature in each month of the year in Selinsgrove, Pennsylvania. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Selinsgrove?
In Selinsgrove, Pennsylvania, the warmest month is July, with an average daily high temperature of 85.0 °F and an average low of 62.2 °F.
What's the Coldest Month in Selinsgrove?
In Selinsgrove, Pennsylvania, the coolest month is January, with an average daily high temperature of 35.7 °F and an average low of 19.4 °F.
Month Avg. High Avg. Low
January 35.7 °F 19.4 °F
February 38.5 °F 20.4 °F
March 47.6 °F 27.5 °F
April 60.9 °F 37.4 °F
May 71.6 °F 48.0 °F
June 80.4 °F 57.9 °F
July 85.0 °F 62.2 °F
August 82.7 °F 60.5 °F
September 75.7 °F 53.2 °F
October 63.4 °F 41.7 °F
November 51.1 °F 31.9 °F
December 40.2 °F 24.9 °F
Year 61.2 °F 40.5 °F
Weather Station Details
Years Station Coordinates
1893–2024 Selinsgrove 2 S location
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