Oshkosh Average Rainfall by Month

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

Average temperature by month

What's the Rainiest Month in Oshkosh?

In Oshkosh, June has the greatest precipitation of any month. On average, Oshkosh gets 4.8 inches of precipitation in June.

However, May is the month with the greatest chance of precipitation. 39.0% of days in May will have at least some rain.

What's the Driest Month in Oshkosh?

In Oshkosh, February has the least precipitation of any month. On average, Oshkosh gets 1.11 inches of precipitation in February.

March is the month with the lowest chance of precipitation. 27.7% of days in March will have measurable rain or snow.

Month	Precipitation	% Chance
January	1.37 in	28.7
February	1.11 in	28.3
March	1.85 in	27.7
April	3.20 in	38.2
May	3.94 in	39.0
June	4.81 in	38.0
July	3.76 in	32.9
August	3.40 in	31.5
September	3.04 in	31.1
October	2.89 in	33.7
November	2.06 in	30.0
December	1.61 in	30.4
Year	33.34 in	32.7

Weather Station Details

Years	Station	Coordinates
1893–2024	Oshkosh	location