Stornoway Average Rainfall by Month

This page shows the average precipitation in each month of the year in Stornoway, United Kingdom. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Stornoway?
In Stornoway, January has the greatest precipitation of any month. On average, Stornoway gets 14.5 cm of precipitation in January.
However, November is the month with the greatest chance of precipitation. 83.7% of days in November will have at least some rain.
What's the Driest Month in Stornoway?
In Stornoway, June has the least precipitation of any month. On average, Stornoway gets 6.51 cm of precipitation in June.
May is the month with the lowest chance of precipitation. 60.0% of days in May will have measurable rain.
Month Precipitation % Chance
January 14.46 cm 78.5
February 11.25 cm 81.5
March 10.48 cm 74.9
April 7.44 cm 66.3
May 6.92 cm 60.0
June 6.51 cm 60.4
July 7.47 cm 63.4
August 8.80 cm 65.3
September 10.41 cm 69.9
October 13.33 cm 78.2
November 12.83 cm 83.7
December 13.94 cm 80.0
Year 123.74 cm 71.8
Weather Station Details
Years Station Coordinates
1873–2024 Stornoway Airport location
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