Cynthiana Average Temperature by Month

This page shows the average temperature in each month of the year in Cynthiana, Kentucky. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Cynthiana?
In Cynthiana, Kentucky, the warmest month is July, with an average daily high temperature of 86.9 °F and an average low of 65.4 °F.
What's the Coldest Month in Cynthiana?
In Cynthiana, Kentucky, the coolest month is January, with an average daily high temperature of 42.0 °F and an average low of 23.3 °F.
Month Avg. High Avg. Low
January 42.0 °F 23.3 °F
February 46.1 °F 25.1 °F
March 54.8 °F 31.8 °F
April 67.1 °F 41.5 °F
May 75.7 °F 52.3 °F
June 83.3 °F 60.4 °F
July 86.9 °F 65.4 °F
August 85.9 °F 62.8 °F
September 80.6 °F 55.2 °F
October 69.1 °F 43.6 °F
November 56.1 °F 34.1 °F
December 46.0 °F 27.5 °F
Year 66.4 °F 43.8 °F
Weather Station Details
Years Station Coordinates
1978–2024 Cynthiana location
1951–1978 Cynthiana 2 location