Storrs Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Storrs, Connecticut. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Storrs?
In Storrs, October has the greatest precipitation of any month. On average, Storrs gets 4.8 inches of precipitation in October.
However, May is the month with the greatest chance of precipitation. 41.0% of days in May will have at least some rain.
What's the Driest Month in Storrs?
In Storrs, February has the least precipitation of any month. On average, Storrs gets 2.95 inches of precipitation in February.
September is the month with the lowest chance of precipitation. 30.1% of days in September will have measurable rain.
Month Precipitation % Chance
January 3.34 in 33.0
February 2.95 in 31.6
March 4.15 in 32.8
April 4.24 in 37.8
May 3.54 in 41.0
June 4.28 in 36.3
July 3.88 in 33.7
August 4.43 in 30.5
September 4.48 in 30.1
October 4.80 in 34.1
November 3.77 in 30.3
December 4.55 in 33.5
Year 47.96 in 33.9
Weather Station Details
Years Station Coordinates
1888–2024 Storrs location