Redmond Average Rainfall by Month

This page shows the average precipitation in each month of the year in Redmond, Oregon. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Redmond?
In Redmond, May has the greatest precipitation of any month. On average, Redmond gets 1.2 inches of precipitation in May.
However, January is the month with the greatest chance of precipitation. 28.2% of days in January will have at least some rain.
What's the Driest Month in Redmond?
In Redmond, September has the least precipitation of any month. On average, Redmond gets 0.36 inches of precipitation in September.
August is the month with the lowest chance of precipitation. Only 9.2% of days in August will have measurable rain.
Month Precipitation % Chance
January 0.84 in 28.2
February 0.66 in 25.0
March 0.60 in 26.5
April 0.72 in 26.9
May 1.20 in 25.1
June 0.65 in 18.3
July 0.39 in 9.3
August 0.45 in 9.2
September 0.36 in 11.2
October 0.69 in 21.0
November 0.75 in 27.0
December 0.95 in 27.9
Year 8.19 in 21.4
Weather Station Details
Years Station Coordinates
1948–2024 Redmond Roberts Field location
1911–1947 Redmond 2 W location
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