Weather in San Sebastian in August

In August, San Sebastian typically enjoys warm, pleasant weather, making it an inviting destination for travellers seeking outdoor adventures. Expect comfortable temperatures, a fair amount of sunshine, and moderate humidity levels ideal for exploring the natural beauty and cultural wonders of the region. Rainfall is usually minimal, allowing for maximal participation in local events and sightseeing.

August Climate Overview

• Average Temperature: 18°C to 27°C
• Rainfall: Approximately 72 mm
• Sunshine Hours: Approximately 8 hours per day
• Humidity: Around 70%
• Wind Speed: Approximately 10 km/h

What to Expect in August

Daytime Conditions

During the day, temperatures are pleasant and can reach up to 27°C, providing ample warmth without being too hot. The sun is prevalent, providing perfect conditions for outdoor activities, though it is always advisable to wear sunscreen to protect against any strong UV rays. Humidity remains moderate, ensuring that exploring isn’t uncomfortable.

Rainfall Patterns

August generally experiences minimal rainfall, with brief and scattered showers that infrequently interrupt plans. When rain does occur, it tends to be light and doesn’t last long, making it easy to plan around for a majority of the outdoor excursions.

Evening Conditions

Evenings in San Sebastian are cool and refreshing, with temperatures dipping to around 18°C, often accompanied by a gentle breeze. These comfortable conditions create a charming atmosphere for outdoor dining and evening strolls along the picturesque streets.

Best Activities in San Sebastian in August

• Outdoor Activities: Take advantage of the pleasant weather with hiking in the nearby mountains or exploring local markets and historical sites.
• Seasonal Highlights: Enjoy local harvest festivals celebrating the region’s delightful produce and culinary traditions.
• Water-based or Nature-based Activities: The coastline offers opportunities for scenic walks, providing a perfect blend of nature and leisure.

What to Pack for August

• Light, breathable clothing for daytime temperatures and a light jacket for cooler evenings
• Protection from sun or rain, such as a hat, sunscreen, and a compact umbrella
• Comfortable footwear suitable for walking or hiking
• Reusable water bottle to stay hydrated while exploring