Weather In San Sebastian

San Sebastian enjoys a relatively mild climate year-round due to its coastal location near Spains Atlantic border with France. Indeed, most of Spains Basque coastline experiences cooler summers and warmer winters than the surrounding regions, making the area ideal for visiting at any time of year.

Cool summers, warm winters

Summer highs in San Sebastian rarely reach 30C, with averages in the mid to high 20Cs, making the city very pleasant for those who wish to avoid the searing summer heat of other locations. Similarly, winters are very mild, with average highs in the low to mid 10Cs. It rarely snows in San Sebastian, with most years experiencing no snowfall whatsoever. Spring and autumn here have the perfect combination of warm days and cool nights.

San Sebastian has a consistent chance of rainfall no matter the time of year, so there is the possibility of rain in each month. However, wet weather rarely sets in for long periods, meaning that most days of a week will be fine and sunny. One notable feature of San Sebastian weather is the presence of fog, which can often affect visibility along the coast. While the fog can lend romance to the beautiful scenery, people driving or out on the water should keep in mind there is a very good chance of fog banks at any time of year, particularly in the early morning.

Average Temperature (°C)

80 60 40 20 0

Jan 8.0

Feb 10.0

Mar 11.0

Apr 12.0

May 15.0

Jun 18.0

Jul 20.0

Aug 21.0

Sep 19.0

Oct 16.0

Nov 12.0

Dec 10.0