San Sebastian January weather
San Sebastian, Spain · January
A rain shell can matter more than the temperature number
January in San Sebastián is often mild on paper, but frequent rain and humidity can make it feel colder on skin. Wet air changes comfort fast.
Short daylight and breeze can make evenings feel colder quickly. Waterproof outerwear and layers lower the day’s difficulty.
January averages at a glance
Average low
around 6–8°C
Average high
around 11–13°C
Average rainfall
around 120–200 mm
Rainy days
about 12–18 days
What to wear in January in San Sebastian
Actual feel will change with wind and rain, but use the suggestions below to build a comfortable layered outfit.
- • Hooded waterproof jacket/coat works well.
- • Layers + a thin warmth option help.
- • Shoes with traction help on wet streets.
Travel tips for visiting San Sebastian in January
- • Beach/harbor evenings can feel much cooler with wind.
- • Keep one indoor anchor to stay productive on wet days.
January weather in San Sebastian — FAQ
Q. Is January very cold?
A. Often it’s the dampness and wind that make it feel cold, not extreme temperatures.
Q. Do I need an umbrella?
A. Helpful, but a rain shell is often more effective on windy days.
Explore San Sebastian
These pages are connected so you can compare conditions and decide for yourself.