Louisville Average Temperature by Month

This page shows the average temperature in each month of the year in Louisville, Kentucky. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Louisville?
In Louisville, Kentucky, the warmest month is July, with an average daily high temperature of 88.6 °F and an average low of 70.4 °F.
What's the Coldest Month in Louisville?
In Louisville, Kentucky, the coolest month is January, with an average daily high temperature of 43.2 °F and an average low of 27.3 °F.
Month Avg. High Avg. Low
January 43.2 °F 27.3 °F
February 47.9 °F 30.3 °F
March 57.8 °F 38.2 °F
April 69.2 °F 48.1 °F
May 77.5 °F 58.3 °F
June 85.3 °F 66.8 °F
July 88.6 °F 70.4 °F
August 88.0 °F 69.1 °F
September 81.8 °F 61.5 °F
October 70.2 °F 49.7 °F
November 57.2 °F 39.0 °F
December 46.8 °F 31.7 °F
Year 67.9 °F 49.3 °F
Weather Station Details
Years Station Coordinates
1948–2024 Louisville International Airport location
1893–1947 Jeffersonville location