Princeton Average Temperature by Month

This page shows the average temperature in each month of the year in Princeton, Indiana. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Princeton?
In Princeton, Indiana, the warmest month is July, with an average daily high temperature of 87.9 °F and an average low of 67.2 °F.
What's the Coldest Month in Princeton?
In Princeton, Indiana, the coolest month is January, with an average daily high temperature of 39.6 °F and an average low of 22.0 °F.
Month Avg. High Avg. Low
January 39.6 °F 22.0 °F
February 45.6 °F 26.2 °F
March 55.3 °F 34.3 °F
April 67.4 °F 44.3 °F
May 76.7 °F 55.1 °F
June 85.2 °F 64.0 °F
July 87.9 °F 67.2 °F
August 86.8 °F 65.5 °F
September 80.8 °F 57.8 °F
October 69.1 °F 46.2 °F
November 54.4 °F 34.8 °F
December 43.8 °F 27.0 °F
Year 66.5 °F 45.7 °F
Weather Station Details
Years Station Coordinates
1893–2024 Princeton 1 W location
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