Hattiesburg Average Rainfall by Month

This page shows the average precipitation in each month of the year in Hattiesburg, Mississippi. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Hattiesburg?
In Hattiesburg, January has the greatest precipitation of any month. On average, Hattiesburg gets 6.2 inches of precipitation in January.
However, July is the month with the greatest chance of precipitation. 42.8% of days in July will have at least some rain.
What's the Driest Month in Hattiesburg?
In Hattiesburg, October has the least precipitation of any month. On average, Hattiesburg gets 3.61 inches of precipitation in October.
October is also the month where rain is least common. 22.4% of days in October will have measurable rain.
Month Precipitation % Chance
January 6.18 in 36.1
February 5.03 in 35.5
March 5.64 in 31.8
April 5.46 in 27.8
May 4.19 in 27.5
June 5.04 in 37.8
July 5.91 in 42.8
August 4.94 in 35.3
September 4.48 in 29.4
October 3.61 in 22.4
November 3.64 in 27.8
December 5.32 in 34.0
Year 59.16 in 32.3
Weather Station Details
Years Station Coordinates
2001–2024 Hattiesburg Chain Municipal Airport location
1893–2000 Hattiesburg 5SW location
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