Hattiesburg Average Temperature by Month

This page shows the average temperature in each month of the year in Hattiesburg, Mississippi. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in Hattiesburg?
In Hattiesburg, Mississippi, the warmest month is August, with an average daily high temperature of 92.3 °F and an average low of 71.9 °F.
What's the Coldest Month in Hattiesburg?
In Hattiesburg, Mississippi, the coolest month is January, with an average daily high temperature of 60.6 °F and an average low of 37.9 °F.
Month Avg. High Avg. Low
January 60.6 °F 37.9 °F
February 65.0 °F 41.4 °F
March 71.9 °F 48.2 °F
April 78.3 °F 54.3 °F
May 85.1 °F 62.4 °F
June 90.3 °F 69.6 °F
July 92.1 °F 72.2 °F
August 92.3 °F 71.9 °F
September 88.4 °F 66.8 °F
October 79.9 °F 55.4 °F
November 69.8 °F 44.1 °F
December 62.7 °F 40.7 °F
Year 78.1 °F 55.4 °F
Weather Station Details
Years Station Coordinates
2001–2024 Hattiesburg Chain Municipal Airport location
1893–2000 Hattiesburg 5SW location