Bluffton Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Bluffton?

In Bluffton, May has the greatest precipitation of any month. On average, Bluffton gets 4.7 inches of precipitation in May.

However, April is the month with the greatest chance of precipitation. 43.2% of days in April will have at least some rain or snow.

What's the Driest Month in Bluffton?

In Bluffton, February has the least precipitation of any month. On average, Bluffton gets 1.98 inches of precipitation in February.

September is the month with the lowest chance of precipitation. 27.2% of days in September will have measurable rain.

Month	Precipitation	% Chance
January	2.48 in	41.2
February	1.98 in	37.7
March	2.55 in	36.4
April	3.90 in	43.2
May	4.73 in	42.8
June	4.71 in	38.8
July	4.26 in	30.6
August	3.84 in	29.8
September	2.95 in	27.2
October	2.82 in	33.5
November	3.14 in	36.1
December	2.36 in	40.8
Year	39.72 in	36.5

Weather Station Details

Years	Station	Coordinates
1970–2023	Bluffton 6N	location
1969–1971	Bluffton 1 N	location
1949–1969	Bluffton	location
1895–1948	Bluffton Water Works	location