San Sebastián Average Rainfall by Month

This page shows the average precipitation in each month of the year in San Sebastián, Spain. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in San Sebastián?
In San Sebastián, November has the greatest precipitation of any month. On average, San Sebastián gets 20.2 cm of precipitation in November.
November is also the month where rain is most common. 56.7% of days in November will have at least some rain.
What's the Driest Month in San Sebastián?
In San Sebastián, July has the least precipitation of any month. On average, San Sebastián gets 9.15 cm of precipitation in July.
September is the month with the lowest chance of precipitation. 46.2% of days in September will have measurable rain.
Month Precipitation % Chance
January 15.06 cm 55.1
February 12.45 cm 52.5
March 11.94 cm 48.0
April 12.61 cm 56.6
May 12.21 cm 52.5
June 9.59 cm 50.2
July 9.15 cm 49.1
August 10.90 cm 47.8
September 11.73 cm 46.2
October 15.51 cm 49.6
November 20.23 cm 56.7
December 15.27 cm 52.3
Year 156.64 cm 51.4
Weather Station Details
Years Station Coordinates
1916–2024 San Sebastian - Igueldo location
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