San Sebastian weather in April 2025

Expect 59°F daytime maximum temperatures in the shade with on average 5 hours of sunshine per day in San Sebastian in April. Check more long-term weather averages for San Sebastian in April before you book your next holiday to Spain in 2025/2026.

  • 59°F maximum daytime temperature in April in San Sebastian59
    59°F max day temperature
  • 5 hours of sunshine per day
  • 18 days with some rainfall in April in San Sebastian18
    18 days with some rainfall
  • 45°F minimum night-time temperature in April in San Sebastian45
    45°F min night temperature
  • 13 hours of daylight per day in April in San Sebastian13
    13 hours of daylight per day
  • No heat & humidity in April in San Sebastian0
    No heat & humidity
  • 4.8 inches monthly rainfall in April in San Sebastian4.8
    4.8 inches of monthly rainfall
  • UV (maximum) index 6 (High) in April in San Sebastian6
    6 (High) UV index
  • 55°F sea temperature in April in San Sebastian55
    55°F sea temperature

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The April 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)  |  Imperial (°F)

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How warm is it in San Sebastian in April?

Daytime temperatures usually reach 59°F in San Sebastian in April, falling to 45°F at night.

How sunny is it in San Sebastian in April?

There are normally 5 hours of bright sunshine each day in San Sebastian in April - that's 35% of daylight hours.

How warm is the sea around San Sebastian in April?

The average sea temperature around San Sebastian in April is 55°F.

Does it rain in San Sebastian in April?

There are usually 18 days with some rain in San Sebastian in April and the average monthly rainfall is 4.8 inches.

San Sebastian April sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Tuesday, 1st April 2025 06:50 19:35
Tuesday, 15th April 2025 06:25 19:51
Wednesday, 30th April 2025 06:02 20:09

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