San Sebastián Average Temperature by Month

This page shows the average temperature in each month of the year in San Sebastián, Spain. It is based on NOAA data for the years 1991–2020.
What's the Hottest Month in San Sebastián?
In San Sebastián, Spain, the warmest month is August, with an average daily high temperature of 22.9 °C and an average low of 16.8 °C.
What's the Coldest Month in San Sebastián?
In San Sebastián, Spain, the coolest month is January, with an average daily high temperature of 11.2 °C and an average low of 6.1 °C.
Month Avg. High Avg. Low
January 11.2 °C 6.1 °C
February 11.6 °C 5.9 °C
March 13.7 °C 7.5 °C
April 15.1 °C 8.7 °C
May 18.0 °C 11.4 °C
June 20.3 °C 14.1 °C
July 21.9 °C 16.2 °C
August 22.9 °C 16.8 °C
September 21.2 °C 14.8 °C
October 18.6 °C 12.5 °C
November 14.2 °C 8.8 °C
December 12.0 °C 6.9 °C
Year 16.7 °C 10.8 °C
Weather Station Details
Years Station Coordinates
1916–2024 San Sebastian - Igueldo location
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