Morris Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Morris, Illinois. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Morris?
In Morris, June has the greatest precipitation of any month. On average, Morris gets 4.9 inches of precipitation in June.
However, May is the month with the greatest chance of precipitation. 43.1% of days in May will have at least some rain.
What's the Driest Month in Morris?
In Morris, February has the least precipitation of any month. On average, Morris gets 1.90 inches of precipitation in February.
November is the month with the lowest chance of precipitation. 26.8% of days in November will have measurable rain or snow.
Month Precipitation % Chance
January 2.05 in 32.3
February 1.90 in 28.9
March 2.26 in 29.7
April 3.45 in 36.1
May 4.62 in 43.1
June 4.92 in 37.5
July 4.69 in 30.1
August 4.24 in 30.6
September 3.52 in 27.1
October 3.13 in 32.9
November 2.09 in 26.8
December 2.08 in 30.5
Year 38.96 in 32.3
Weather Station Details
Years Station Coordinates
1911–2024 Morris 1 Nw location