Grand Island Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Grand Island?

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

May is also the month where rain is most common. 37.4% of days in May will have at least some rain or snow.

What's the Driest Month in Grand Island?

In Grand Island, January has the least precipitation of any month. On average, Grand Island gets 0.60 inches of precipitation in January.

November is the month with the lowest chance of precipitation. 16.4% of days in November will have measurable rain or snow.

Month	Precipitation	% Chance
January	0.60 in	17.8
February	0.74 in	19.6
March	1.39 in	22.7
April	2.52 in	29.6
May	4.70 in	37.4
June	4.01 in	33.9
July	3.51 in	29.2
August	3.20 in	27.5
September	2.00 in	22.8
October	1.99 in	20.9
November	1.10 in	16.4
December	0.84 in	17.0
Year	26.59 in	24.6

Weather Station Details

Years	Station	Coordinates
1938–2024	Grand Island Airport	location
1921–1938	Grand Island 2W	location
1895–1921	Grand Island #1	location