Santander weather in August 2025

Expect 23°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Santander in August. Check more long-term weather averages for Santander in August before you book your next holiday to Spain in 2025/2026.

  • 23°C maximum daytime temperature in August in Santander23
    23°C max day temperature
  • 6 hours of sunshine per day
  • 12 days with some rainfall in August in Santander12
    12 days with some rainfall
  • 16°C minimum night-time temperature in August in Santander16
    16°C min night temperature
  • 14 hours of daylight per day in August in Santander14
    14 hours of daylight per day
  • No heat & humidity in August in Santander0
    No heat & humidity
  • 79 mm monthly rainfall in August in Santander79
    79 mm of monthly rainfall
  • UV (maximum) index 7 (High) in August in Santander7
    7 (High) UV index
  • 21°C sea temperature in August in Santander21
    21°C sea temperature

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The August weather guide for Spain (Santander) 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 hot is it in Santander in August?

Daytime temperatures usually reach 23°C in Santander in August, falling to 16°C at night.

How sunny is it in Santander in August?

There are normally 6 hours of bright sunshine each day in Santander in August - that's 46% of daylight hours.

How warm is the sea around Santander in August?

The average sea temperature around Santander in August is 21°C.

Does it rain in Santander in August?

There are usually 12 days with some rain in Santander in August and the average monthly rainfall is 79mm.

Santander August sunrise & sunset times

Browse the sunrise and sunset times for Santander in August 2025. Select a month to view Santander sunrise and sunset times for the next 12 months.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 06:05 20:37
Saturday, 16th August 2025 06:21 20:17
Sunday, 31st August 2025 06:38 19:52

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