Seward Average Rainfall by Month

This page shows the average precipitation in each month of the year in Seward, Alaska. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Seward?
In Seward, September has the greatest precipitation of any month. On average, Seward gets 10.2 inches of precipitation in September.
September is also the month where rain is most common. 56.9% of days in September will have at least some rain.
What's the Driest Month in Seward?
In Seward, June has the least precipitation of any month. On average, Seward gets 2.18 inches of precipitation in June.
June is also the month where rain is least common. 38.3% of days in June will have measurable rain.
Month Precipitation % Chance
January 6.16 in 42.7
February 6.08 in 48.8
March 3.91 in 38.7
April 4.54 in 47.2
May 3.37 in 43.6
June 2.18 in 38.3
July 3.13 in 43.4
August 5.13 in 49.0
September 10.16 in 56.9
October 8.63 in 53.3
November 7.18 in 46.8
December 8.08 in 50.9
Year 68.32 in 46.8
Weather Station Details
Years Station Coordinates
1908–2024 Seward Airport location