San Sebastian, Spain

San Sebastian enjoys a mild oceanic climate with moderate temperatures year-round. While the city experiences more rainfall than other Spanish destinations, precipitation is distributed throughout the year, creating the lush green landscapes of the surrounding Basque countryside. The Gulf Stream influence prevents extreme temperature fluctuations, with cooling Atlantic breezes moderating summer heat. La Concha Bay creates a microclimate slightly warmer and more protected than surrounding coastal areas, while the encircling mountains can trap cloud systems, contributing to the city's higher precipitation levels compared to interior Spain.

Monthly Temperature Guide

Peak Season

Months: June, July, August

Conditions: June through August showcases San Sebastian at its finest, with comfortable temperatures between 63-75°F and refreshing ocean breezes. La Concha Bay fills with elegant beachgoers, while evenings bring sophisticated alfresco dining along the promenade. The summer calendar features numerous festivals including Semana Grande in August with its impressive fireworks competitions. The international film festival in late summer attracts global celebrities and transforms the city into a glamorous cultural hub, with exclusive events at the iconic Hotel Maria Cristina and screenings at the Kursaal Congress Centre.

Peak season offers optimal weather conditions but expect higher prices and larger crowds. Book accommodations and activities well in advance for the best San Sebastian, Spain experience.

Shoulder Season

Months: April, May, September, October

Conditions: September and October represent perhaps the culinary connoisseur's ideal time to visit, as autumn brings harvest season with exceptional local ingredients reaching the city's renowned restaurants and pintxos bars. Sea temperatures remain warm enough for swimming through mid-September, while golden light bathes the city as temperatures transition from summer warmth (61-73°F) to autumn crispness. Cultural events continue with fewer crowds, making it easier to secure reservations at the city's Michelin-starred establishments and boutique hotels along La Concha promenade. April and May bring gradually warming temperatures (48-66°F) with spectacular spring blooms throughout the city's parks and surrounding hillsides. While spring sees continuing rainfall, it typically arrives in short bursts followed by brilliant sunshine that creates dramatic light conditions for photography. This season offers ideal temperatures for exploring San Sebastian's rich architectural heritage and taking day trips to nearby fishing villages like Getaria and Pasajes. The Bay of Biscay remains too cool for comfortable swimming, but beach strolls and coastal hikes become increasingly pleasant.

Shoulder season provides an excellent balance of good weather and fewer crowds, making it ideal for travelers seeking a more authentic San Sebastian, Spain experience at moderate prices.

Low Season

Months: November, December, January, February, March

Conditions: November through March brings mild but rainy conditions with temperatures rarely dropping below 45°F. The winter season reveals San Sebastian's authentic personality as locals reclaim their treasured pintxos bars and restaurants. January 20th brings the spectacular Tamborrada festival, a 24-hour drumming celebration that animates the entire city regardless of weather. Winter waves attract experienced surfers to Zurriola Beach, while the city's rich cultural life continues with film festivals, classical music performances, and vibrant indoor markets offering seasonal Basque specialties.

Low season offers the best value for budget-conscious travelers. While weather may be less predictable, you'll enjoy lower prices and fewer tourists, allowing for a more intimate exploration of San Sebastian, Spain.

Airport Information

Primary Airport: San Sebastian, Spain (EAS)

Search flights to EAS from major US cities including New York (JFK, LGA, EWR), Los Angeles (LAX), Chicago (ORD), Miami (MIA), and San Francisco (SFO). Flight times vary by departure city, with direct flights available from major hubs.

Destination Categories

Type: Social, Culture, Coastal

Perfect for travelers seeking Social and Culture and Coastal experiences. San Sebastian, Spain offers diverse attractions and activities suited to various travel styles and interests.

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