Hillsboro Average Temperature by Month

This page shows the average temperature in each month of the year in Hillsboro, Texas. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Hillsboro?
In Hillsboro, Texas, the warmest month is August, with an average daily high temperature of 96.8 °F and an average low of 73.7 °F.
What's the Coldest Month in Hillsboro?
In Hillsboro, Texas, the coolest month is January, with an average daily high temperature of 58.0 °F and an average low of 36.0 °F.
Month Avg. High Avg. Low
January 58.0 °F 36.0 °F
February 62.3 °F 39.8 °F
March 70.4 °F 47.0 °F
April 77.0 °F 54.2 °F
May 83.7 °F 63.1 °F
June 91.3 °F 70.7 °F
July 95.8 °F 73.7 °F
August 96.8 °F 73.7 °F
September 89.8 °F 66.8 °F
October 80.1 °F 56.2 °F
November 69.3 °F 45.4 °F
December 60.2 °F 37.9 °F
Year 78.4 °F 55.7 °F
Weather Station Details
Years Station Coordinates
1903–2024 Hillsboro location
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