Greenville Average Rainfall by Month

This page shows the average precipitation in each month of the year in Greenville, South Carolina. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Greenville?
In Greenville, July has the greatest precipitation of any month. On average, Greenville gets 4.7 inches of precipitation in July.
July is also the month where rain is most common. 39.4% of days in July will have at least some rain.
What's the Driest Month in Greenville?
In Greenville, October has the least precipitation of any month. On average, Greenville gets 3.49 inches of precipitation in October.
October is also the month where rain is least common. 25.6% of days in October will have measurable rain.
Month Precipitation % Chance
January 3.90 in 34.8
February 3.51 in 33.9
March 3.86 in 33.0
April 3.88 in 32.6
May 3.76 in 31.4
June 4.21 in 37.7
July 4.71 in 39.4
August 4.41 in 35.8
September 3.64 in 27.5
October 3.49 in 25.6
November 3.62 in 30.8
December 4.38 in 33.6
Year 47.39 in 33.3
Weather Station Details
Years Station Coordinates
1999–2024 Greenville Downtown Airport location
1992–1999 Greenville location
1963–1977 Greenville location
1884–1962 Greenville WB location
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