Weather in San Sebastian in January

San Sebastian in January offers a cool and brisk climate, typical of its oceanic environment. Travellers can expect moderate temperatures with the occasional rain shower. The weather can be ideal for leisurely city strolls and cultural explorations. Outdoor conditions are generally mild but can be damp, making it suitable for exploring local attractions, though perhaps not for extended sunbathing or swimming.

January Climate Overview

• Average Temperature: 8°C to 12°C
• Rainfall: Approximately 110mm
• Sunshine Hours: Around 3-5 hours per day
• Humidity: About 75%
• Wind Speed: Moderate, averaging 13 km/h

What to Expect in January

Daytime Conditions

During the day, temperatures hover between mild and cool, peaking at around 12°C. The sky is often overcast, but fleeting sunshine provides pleasant interludes. Humidity can be fairly high, contributing to a damp feeling at times.

Rainfall Patterns

Rainfall is fairly frequent, occurring in scattered or sometimes more consistent patterns. It can affect outdoor plans, so having an umbrella or waterproof gear is advisable. While heavy downpours are less common, light rain is a regular occurrence.

Evening Conditions

Evenings in San Sebastian cool down significantly, with temperatures dropping to around 8°C. Breezy conditions might call for warmer jackets, though there is typically less humidity compared to earlier in the day, making for a more comfortable atmosphere for evening walks or dining.

Best Activities in San Sebastian in January

• Outdoor Activities: Enjoy walking tours of the historical city centre or visit the picturesque coastal promenades.
• Seasonal Highlights: Experience local markets that showcase seasonal produce and regional specialities despite the cooler weather.
• Water-based or Nature-based Activities: Coastal walks and nature trails are enjoyable, though swimming may not be ideal.

What to Pack for January

• Layered clothing for transition between indoor and outdoor settings
• Protection from both sun and rain (hat, sunscreen, umbrella, etc.)
• Comfortable and waterproof footwear for walking on both city streets and nature paths
• Reusable water bottle to stay hydrated during outings