Porto weather in August 2024

Expect 25°C daytime maximum temperatures in the shade with on average 10 hours of sunshine per day in Porto in August. Check more long-term weather averages for Porto in August before you book your next holiday to Portugal in 2024/2025.

  • 25°C maximum daytime temperature in August in Porto25
    25°C max day temperature
  • 10 hours of sunshine per day
  • 5 days with some rainfall in August in Porto5
    5 days with some rainfall
  • 15°C minimum night-time temperature in August in Porto15
    15°C min night temperature
  • 14 hours of daylight per day in August in Porto14
    14 hours of daylight per day
  • No heat & humidity in August in Porto0
    No heat & humidity
  • 20 mm monthly rainfall in August in Porto20
    20 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Porto8
    8 (Very High) UV index
  • 18°C sea temperature in August in Porto18
    18°C sea temperature

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The August 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 August?

Daytime temperatures usually reach 25°C in Porto in August with no heat and humidity, falling to 15°C at night.

How sunny is it in Porto in August?

There are normally 10 hours of bright sunshine each day in Porto in August - that's 69% of daylight hours.

How warm is the sea around Porto in August?

The average sea temperature around Porto in August is 18°C.

Does it rain in Porto in August?

There are usually 5 days with some rain in Porto in August and the average monthly rainfall is 20mm.

Porto August sunrise & sunset times

Browse the sunrise and sunset times for Porto in August 2024. Select a month to view Porto sunrise and sunset times for the next 12 months.


Date Sunrise times Sunset times
Thursday, 1st August 2024 06:30 20:51
Friday, 16th August 2024 06:45 20:31
Saturday, 31st August 2024 07:00 20:08

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