The Best Time to Visit San Sebastian May to September

The best time to visit San Sebastian, Spain is between May and September, when temperatures are comfortable, rainfall is low, and conditions are ideal for exploring. This period offers the perfect weather for enjoying the city’s stunning coastline, vibrant parks, and cultural attractions. Additionally, April to October can also be an appealing time, particularly for those seeking cooler weather for invigorating walks and outdoor activities.

Weather and Climate Overview

San Sebastian boasts a mild oceanic climate, which means warm summers and cooler winters. From May to September, daytime temperatures typically range from 20°C to 26°C, making it ideal for leisurely strolls along the picturesque La Concha Beach or enjoying the scenic views from Mount Urgull.

Spring: Blooming Beauty and Pleasant Walks

• Temperature Range: 10°C to 18°C in March and April
• Spring brings vibrant blooms in the city’s gardens and parks, offering a delightful backdrop for outdoor walks and picnics.
• While rainfall can be more frequent during early spring, by late April, sunnier days become more common, providing ample opportunities for exploring the city’s cultural sites.

Summer: Ideal for Beach and Outdoor Activities

• Temperature Range: 20°C to 26°C from June to August
• With long daylight hours and minimal rainfall, summer is perfect for sunbathing at La Concha and Ondarreta beaches.
• Sea temperatures rise to around 21°C, inviting swimming and water sports.
• Favourable weather for alfresco dining and listening to outdoor concerts in local parks.

Autumn: Mild Climate and Rich Colours

• Temperature Range: 14°C to 22°C in September and October
• Early autumn often mirrors pleasant summer conditions, still suitable for beach visits and exploring the city’s architectural gems.
• The vibrant autumn foliage in the surrounding countryside and city parks offers a picturesque backdrop for hikes and outdoor excursions.
• With cooler evenings, it’s a great time to explore the region’s wine and cider houses, offering a cosy retreat.

Winter: Cooler Temperatures and Scenic Views

• Temperature Range: 6°C to 14°C from November to February
• While too cool for beach activities, winter offers a unique perspective on the city’s dramatic landscape and coastal views.
• Inviting for those who enjoy brisk coastal walks, capturing the stark beauty of San Sebastian’s shoreline.
• A good time to explore indoor cultural spaces and savour rich local cuisine.