Colby Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Colby?

In Colby, July has the greatest precipitation of any month. On average, Colby gets 3.8 inches of precipitation in July.

However, May is the month with the greatest chance of precipitation. 33.4% of days in May will have at least some rain or snow.

What's the Driest Month in Colby?

In Colby, January has the least precipitation of any month. On average, Colby gets 0.41 inches of precipitation in January.

January is also the month where rain is least common. Only 9.7% of days in January will have measurable rain or snow.

Month	Precipitation	% Chance
January	0.41 in	9.7
February	0.56 in	14.5
March	0.92 in	15.8
April	1.94 in	22.7
May	2.91 in	33.4
June	2.62 in	28.7
July	3.81 in	30.1
August	3.04 in	26.9
September	1.44 in	18.4
October	1.56 in	18.7
November	0.63 in	12.3
December	0.51 in	10.3
Year	20.35 in	20.2

Weather Station Details

Years	Station	Coordinates
1957–2024	Colby 1SW	location
1893–1957	Colby	location