Cedar Rapids Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Cedar Rapids?

In Cedar Rapids, June has the greatest precipitation of any month. On average, Cedar Rapids gets 5.7 inches of precipitation in June.

However, May is the month with the greatest chance of precipitation. 41.9% of days in May will have at least some rain or snow.

What's the Driest Month in Cedar Rapids?

In Cedar Rapids, January has the least precipitation of any month. On average, Cedar Rapids gets 1.12 inches of precipitation in January.

February is the month with the lowest chance of precipitation. 26.6% of days in February will have measurable rain or snow.

Month	Precipitation	% Chance
January	1.12 in	28.6
February	1.33 in	26.6
March	2.02 in	30.7
April	4.02 in	37.7
May	4.78 in	41.9
June	5.68 in	41.0
July	4.47 in	30.9
August	4.46 in	30.9
September	4.01 in	29.5
October	3.00 in	30.5
November	2.21 in	27.9
December	1.63 in	29.5
Year	38.72 in	32.2

Weather Station Details

Years	Station	Coordinates
1892–2024	Cedar Rapids #1	location