Porto weather in October 2025

Expect 21°C daytime maximum temperatures in the shade with on average 6 hours of sunshine per day in Porto in October. Check more long-term weather averages for Porto in October before you book your next holiday to Portugal in 2025/2026.

  • 21°C maximum daytime temperature in October in Porto21
    21°C max day temperature
  • 6 hours of sunshine per day
  • 14 days with some rainfall in October in Porto14
    14 days with some rainfall
  • 12°C minimum night-time temperature in October in Porto12
    12°C min night temperature
  • 11 hours of daylight per day in October in Porto11
    11 hours of daylight per day
  • No heat & humidity in October in Porto0
    No heat & humidity
  • 129 mm monthly rainfall in October in Porto129
    129 mm of monthly rainfall
  • UV (maximum) index 4 (Moderate) in October in Porto4
    4 (Moderate) UV index
  • 17°C sea temperature in October in Porto17
    17°C sea temperature

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The October weather guide for Portugal (Porto) 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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More about Portugal

How hot is it in Porto in October?

Daytime temperatures usually reach 21°C in Porto in October, falling to 12°C at night.

How sunny is it in Porto in October?

There are normally 6 hours of bright sunshine each day in Porto in October - that's 53% of daylight hours.

How warm is the sea around Porto in October?

The average sea temperature around Porto in October is 17°C.

Does it rain in Porto in October?

There are usually 14 days with some rain in Porto in October and the average monthly rainfall is 129mm.

Porto October sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Wednesday, 1st October 2025 06:31 18:16
Thursday, 16th October 2025 06:47 17:52
Friday, 31st October 2025 07:05 17:31

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