San Sebastián Weather Records

San Sebastián, Spain weather averages and records from 1916–2024 based on data made available by the NOAA.
All-Time Recorded High
The highest temperature ever recorded in San Sebastián, Spain was 37.3 °C which occurred on July 26, 1947.
Highest Temperatures: All-Time By Year
All-Time Recorded Low
The lowest temperature ever recorded in San Sebastián, Spain was -12.1 °C which occurred on February 3, 1956.
Lowest Temperatures: All-Time By Year
San Sebastián Weather by Month
Averages based on the years 1991–2020
Month Average (°C) Record (°C) Average (cm)
High ☀️ Low 🌙 High ☀️ Low 🌙 Precipitation 💧
January 11.2 6.1 22.6 -10.0 15.1
February 11.6 5.9 25.6 -12.1 12.4
March 13.7 7.5 28.0 -5.5 11.9
April 15.1 8.7 30.5 -0.4 12.6
May 18.0 11.4 33.2 1.6 12.2
June 20.3 14.1 37.2 6.1 9.6
July 21.9 16.2 37.3 9.4 9.1
August 22.9 16.8 37.1 9.4 10.9
September 21.2 14.8 36.3 4.8 11.7
October 18.6 12.5 31.7 0.8 15.5
November 14.2 8.8 25.6 -3.4 20.2
December 12.0 6.9 22.0 -8.4 15.3
Entire year 16.7 10.8 37.3 -12.1 156.6
More San Sebastián Weather Records
1916–2024
Highest daily low 26.4 °C August 19, 1932
Lowest daily high -5.4 °C February 1, 1954
Greatest daily range
(Difference of high and low)
21.9 °C August 17, 1943
Greatest difference in daily high
over two conscutive days
20.0 °C Jul 1–2, 1968
Most daily precipitation 16.8 cm May 31, 1997
Most monthly precipitation 48.1 cm November 2019
Most yearly precipitation 220.6 cm 1979
Most yearly days with precipitation 221 1974
Earliest freeze November 16 2007
Earliest day ≥ 25 °C February 24 1990
Earliest day ≥ 30 °C April 6 2011
Latest freeze April 13 1958
Latest day ≥ 25 °C November 8 2015
Latest day ≥ 30 °C October 3 1985
Most days in a year < 0 °C 30 1963
Most days in a year ≥ 20 °C 159 2023
Most days in a year ≥ 25 °C 45 2023
Most days in a year ≥ 30 °C 14 1947
Most days in a year ≥ 35 °C 3 2016
San Sebastián Weather Streaks
Most consecutive days...
With precipitation 33 days Dec 2, 1950 – Jan 3, 1951
Without precipitation 31 days Dec 25, 1992 – Jan 24, 1993
Freezing temperatures
High temperature ≤ 0 °C
4 days Feb 1–4, 1954
High temperature ≥ 20 °C 54 days Jul 9 – Aug 31, 2003
High temperature ≥ 25 °C 11 days Aug 3–13, 2003
High temperature ≥ 30 °C 5 days Aug 24–28, 1930
Plant Hardiness Zone
9B
San Sebastián is in plant hardiness zone 9B
based on average yearly minimum temperature from 1991–2020
San Sebastián Weather by Year
More San Sebastián Weather
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Weather Station Details
Years Station Coordinates
1916–2024 San Sebastian - Igueldo location