Davenport Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Davenport?

In Davenport, June has the greatest precipitation of any month. On average, Davenport gets 5.0 inches of precipitation in June.

However, May is the month with the greatest chance of precipitation. 39.5% of days in May will have at least some rain.

What's the Driest Month in Davenport?

In Davenport, January has the least precipitation of any month. On average, Davenport gets 1.66 inches of precipitation in January.

July is the month with the lowest chance of precipitation. 27.8% of days in July will have measurable rain.

Month	Precipitation	% Chance
January	1.66 in	30.0
February	1.83 in	30.5
March	2.62 in	33.3
April	3.80 in	37.8
May	4.67 in	39.5
June	5.00 in	37.6
July	4.23 in	27.8
August	3.97 in	30.4
September	3.32 in	27.9
October	2.81 in	29.0
November	2.29 in	29.8
December	2.04 in	30.6
Year	38.23 in	32.0

Weather Station Details

Years	Station	Coordinates
1943–2024	Moline Quad City International Airport	location
1901–1943	Davenport L&D 15	location