Most Monthly Precipitation in Niagara Falls History

This is a list of the largest monthly precipitation totals ever recorded in Niagara Falls, New York history from 1902–2024.

What Was the Wettest Month in Niagara Falls History?

According to NOAA records, the most precipitation that Niagara Falls, New York has ever received in a single month is 10.3 inches which occurred in September 1945.

Month to date though April 24, 2024: 2.7 inches

Niagara Falls Most Rain in One Month

Rank	Precipitation	Month
1	10.3 inches	September 1945
2	10.0 inches	September 1977
3	9.1 inches	November 1985
4	8.5 inches	August 1954
5	7.7 inches	October 1955
6	7.6 inches	September 1978
7	7.6 inches	July 2021
8	7.5 inches	July 2014
9	7.5 inches	June 2013
10	7.2 inches	July 1992
11	7.2 inches	October 1995
12	6.7 inches	May 1960
13	6.7 inches	October 2006
14	6.7 inches	July 2004
15	6.6 inches	October 2012
16	6.6 inches	September 1987
17	6.5 inches	May 2011
18	6.5 inches	July 2006
19	6.5 inches	August 1972
20	6.4 inches	December 1990