Buffalo Average Rainfall by Month

This page shows the average precipitation (including snowfall) in each month of the year in Buffalo, New York. It is based on NOAA data for the years 1991–2020.

Average temperature by month

What's the Rainiest Month in Buffalo?

In Buffalo, September has the greatest precipitation of any month. On average, Buffalo gets 4.1 inches of precipitation in September.

However, January is the month with the greatest chance of precipitation. 61.9% of days in January will have at least some rain or snow.

What's the Driest Month in Buffalo?

In Buffalo, February has the least precipitation of any month. On average, Buffalo gets 2.49 inches of precipitation in February.

August is the month with the lowest chance of precipitation. 32.2% of days in August will have measurable rain.

Month	Precipitation	% Chance
January	3.34 in	61.9
February	2.49 in	55.5
March	2.88 in	47.8
April	3.37 in	44.8
May	3.37 in	41.3
June	3.36 in	39.7
July	3.23 in	34.9
August	3.22 in	32.2
September	4.10 in	36.4
October	4.03 in	45.4
November	3.50 in	48.0
December	3.75 in	57.2
Year	40.64 in	45.4

Weather Station Details

Years	Station	Coordinates
1939–2024	Buffalo	location
1871–1938	Buffalo	location