Niagara Falls Average Rainfall by Month

This page shows the average precipitation in each month of the year in Niagara Falls, New York. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Niagara Falls?
In Niagara Falls, July has the greatest precipitation of any month. On average, Niagara Falls gets 3.8 inches of precipitation in July.
However, January is the month with the greatest chance of precipitation. 51.7% of days in January will have at least some rain.
What's the Driest Month in Niagara Falls?
In Niagara Falls, February has the least precipitation of any month. On average, Niagara Falls gets 1.83 inches of precipitation in February.
August is the month with the lowest chance of precipitation. 34.5% of days in August will have measurable rain.
Month Precipitation % Chance
January 2.24 in 51.7
February 1.83 in 44.9
March 2.27 in 41.0
April 3.34 in 47.7
May 3.04 in 40.9
June 3.00 in 38.1
July 3.78 in 37.1
August 2.72 in 34.5
September 3.02 in 37.6
October 3.53 in 47.9
November 2.82 in 44.7
December 2.56 in 49.6
Year 33.85 in 42.9
Weather Station Details
Years Station Coordinates
1996–2024 Niagara Falls International Airport location
1902–1995 Niagara Falls, Ontario location
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