Bilbao Average Rainfall by Month

This page shows the average precipitation in each month of the year in Bilbao, Spain. It is based on NOAA data for the years 1991–2020.
What's the Rainiest Month in Bilbao?
In Bilbao, November has the greatest precipitation of any month. On average, Bilbao gets 17.1 cm of precipitation in November.
November is also the month where rain is most common. 57.0% of days in November will have at least some rain.
What's the Driest Month in Bilbao?
In Bilbao, July has the least precipitation of any month. On average, Bilbao gets 5.18 cm of precipitation in July.
August is the month with the lowest chance of precipitation. 39.1% of days in August will have measurable rain.
Month Precipitation % Chance
January 13.02 cm 53.6
February 10.87 cm 51.8
March 9.75 cm 45.4
April 9.66 cm 54.1
May 7.59 cm 47.2
June 5.82 cm 41.3
July 5.18 cm 40.6
August 5.27 cm 39.1
September 7.50 cm 42.4
October 11.16 cm 47.0
November 17.10 cm 57.0
December 12.69 cm 52.7
Year 115.36 cm 47.7
Weather Station Details
Years Station Coordinates
1947–2024 Bilbao Aeropuerto location
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