Houston Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Houston, Mississippi. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Houston?
In Houston, April has the greatest precipitation of any month. On average, Houston gets 6.3 inches of precipitation in April.
However, February is the month with the greatest chance of precipitation. 33.9% of days in February will have at least some rain or snow.
What's the Driest Month in Houston?
In Houston, October has the least precipitation of any month. On average, Houston gets 3.17 inches of precipitation in October.
September is the month with the lowest chance of precipitation. 17.2% of days in September will have measurable rain.
Month Precipitation % Chance
January 5.32 in 30.4
February 6.15 in 33.9
March 5.10 in 32.5
April 6.29 in 26.6
May 5.30 in 27.4
June 6.09 in 30.8
July 4.25 in 27.1
August 4.53 in 24.4
September 3.63 in 17.2
October 3.17 in 19.5
November 4.61 in 26.2
December 5.81 in 30.8
Year 61.26 in 27.6
Weather Station Details
Years Station Coordinates
1942–2024 Houston location