San Sebastian weather in January 2025

Expect 11°C daytime maximum temperatures in the shade with on average 3 hours of sunshine per day in San Sebastian in January. Check more long-term weather averages for San Sebastian in January before you book your next holiday to Spain in 2025/2026.

  • 11°C maximum daytime temperature in January in San Sebastian11
    11°C max day temperature
  • 3 hours of sunshine per day
  • 18 days with some rainfall in January in San Sebastian18
    18 days with some rainfall
  • 4°C minimum night-time temperature in January in San Sebastian4
    4°C min night temperature
  • 9 hours of daylight per day in January in San Sebastian9
    9 hours of daylight per day
  • No heat & humidity in January in San Sebastian0
    No heat & humidity
  • 127 mm monthly rainfall in January in San Sebastian127
    127 mm of monthly rainfall
  • UV (maximum) index 1 (Low) in January in San Sebastian1
    1 (Low) UV index
  • 13°C sea temperature in January in San Sebastian13
    13°C sea temperature

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The January weather guide for Spain (San Sebastian) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.

Metric (°C / mm)  |  Imperial (°F / inches)

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How warm is it in San Sebastian in January?

Daytime temperatures usually reach 11°C in San Sebastian in January, falling to 4°C at night.

How sunny is it in San Sebastian in January?

There are normally 3 hours of bright sunshine each day in San Sebastian in January - that's 32% of daylight hours.

How warm is the sea around San Sebastian in January?

The average sea temperature around San Sebastian in January is 13°C.

Does it rain in San Sebastian in January?

There are usually 18 days with some rain in San Sebastian in January and the average monthly rainfall is 127mm.

San Sebastian January sunrise & sunset times

Browse the sunrise and sunset times for San Sebastian in January 2025. Select a month to view San Sebastian sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st January 2025 08:40 17:43
Thursday, 16th January 2025 08:37 17:59
Friday, 31st January 2025 08:25 18:19

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