Most Monthly Precipitation in Rochester History

This is a list of the largest monthly precipitation totals ever recorded in Rochester, Massachusetts history from 1900–2024.

What Was the Wettest Month in Rochester History?

According to NOAA records, the most precipitation that Rochester, Massachusetts has ever received in a single month is 16.1 inches which occurred in March 2010.

Month to date though April 22, 2024: 4.2 inches

Rochester Most Rain in One Month

Rank	Precipitation	Month
1	16.1 inches	March 2010
2	13.3 inches	March 2001
3	12.9 inches	October 2005
4	12.0 inches	December 1969
5	11.9 inches	January 1979
6	11.6 inches	March 2024
7	11.6 inches	September 2008
8	11.2 inches	December 1973
9	10.9 inches	June 2006
10	10.9 inches	June 2013
11	10.6 inches	August 1985
12	10.4 inches	September 2021
13	10.4 inches	March 1968
14	10.3 inches	July 1990
15	10.2 inches	April 1958
16	10.2 inches	June 1984
17	10.2 inches	November 2018
18	10.1 inches	April 1983
19	9.9 inches	August 1955
20	9.8 inches	June 1998