2027 Climate Averages

Weather: San Sebastián — January

It's a rainy period, but great for indoor activities, museums, and lower prices.

Climate Overview

January is a wet time to visit San Sebastián. Mild temperatures around 13°C make it comfortable for exploring. This is one of the wettest months—waterproof gear is essential. With only around 9 hours of daylight, plan outdoor activities earlier in the day. Being off-peak, you'll find better deals and fewer crowds. At 14°C, the sea is too cold for most swimmers.

6.1
GoTripzi Score Good

Based on weather comfort, crowds, prices, and activity options

Avg High

13°C

Avg Low

8°C

Rainy days

15days

Daylight

9.3h

Feels like 10°C / 4°C — wind chill makes it feel cooler

Rainfall

137mm

Sunshine

5.8h/day

Humidity

79%

Humid
Sun Strength

2.3

Moderate
Wind

20 km/h (gusts 42)

Sea Temp

14°C ❄️ Cold

Is January a good time to visit San Sebastián?

It's a rainy period, but great for indoor activities, museums, and lower prices.

Now

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Feels like --
Wind --
Humidity --
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Local time

Air Quality

Travel Context

  • Crowds
    Very Quiet
  • Travel Costs Value Rates

Daylight

Sunrise

08:39

Sunset

17:56

9.3h daylight

Visiting San Sebastián in January: Pros & Cons

Pros

  • Fewer crowds and better hotel deals

Cons

  • Frequent rain may disrupt outdoor activities
  • Sea too cold for comfortable swimming

Things to Do in January

Events & Festivals

🎭
Tamborrada (San Sebastián Day)
January 20 (24-hour drumming from midnight January 19) Cultural

Recommended for This Weather

🏛️ Museums & galleries
🍳 Cooking classes & food tours
🎭 Cultural tours & local experiences

San Sebastián Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan Current 13°C 8°C 15d (137mm) 5.8h
79% Humid
2.3 Moderate
Wet
Feb 15°C 9°C 12d (92mm) 7.2h
77% Humid
3.6 Moderate
Good
Mar 15°C 10°C 17d (120mm) 8.6h
75% Humid
5.2 High
Wet
Apr 17°C 11°C 14d (99mm) 9.6h
77% Humid
6.9 High
Wet
May 20°C 14°C 16d (103mm) 10.9h
80% Very Humid
8.1 Very High
Excellent
Jun 23°C 17°C 17d (131mm) 10.4h
83% Very Humid
8 Very High
Excellent
Jul 24°C 18°C 12d (52mm) 11.4h
82% Very Humid
8.4 Very High
Excellent
Aug 25°C 19°C 13d (98mm) 10.6h
82% Very Humid
7.5 Very High
Excellent
Sep 23°C 17°C 15d (135mm) 9.3h
79% Humid
5.8 High
Excellent
Oct 21°C 15°C 13d (135mm) 7.6h
78% Humid
4.1 Moderate
Wet
Nov 16°C 12°C 15d (173mm) 6.1h
80% Very Humid
2.5 Moderate
Wet
Dec 14°C 10°C 18d (183mm) 5.4h
81% Very Humid
2 Low
Wet

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Your Best MonthOctScore: 8

Where to Stay

See hotels, apartments & rentals around San Sebastián – live prices from Booking.com, Expedia, Vrbo and more

San Sebastián

Basque culinary capital, including La Concha beach, La Concha beach promenade and Pintxos bar hopping in Parte Vieja, pintxos bars, and Michelin-starred dining.

View Full Destination Guide

What to Pack for January

Bundle up with a warm coat, scarf, and closed-toe shoes. Thermal layers underneath give flexibility as you move between indoors and outdoors. A waterproof jacket and shoes are non-negotiable — showers are frequent.

Moderate Very Quiet

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to San Sebastián?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is January a good time to visit San Sebastián?
January is typically wet for visiting San Sebastián, with average highs of 13°C and around 15 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in San Sebastián in January?
Nights in San Sebastián during January are cool at around 8°C. Bring a jacket or sweater for evenings, especially if you plan to dine outdoors or take evening walks. The temperature drop from day to night can be noticeable.
What should I pack for San Sebastián in January?
With highs of 13°C and lows of 8°C in January, we recommend: Layerable clothing, Light jacket, Compact umbrella, Waterproof jacket/shell. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in San Sebastián in January?
San Sebastián typically sees around 15 rainy days in January. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in San Sebastián in January?
Swimming in San Sebastián during January is possible but quite cold, with air temperatures around 13°C. Only brave swimmers venture in without a wetsuit. Consider indoor pools or thermal baths as an alternative if your hotel offers them.
How many hours of daylight are there in San Sebastián in January?
In January, San Sebastián gets approximately 9.3 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is January peak season in San Sebastián?
No, January is not peak season in San Sebastián. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Madrid)

Last Updated: February 2026