Portimao weather in August 2025

Expect daytime maximum temperatures of 79°F in Portimao, Algarve in August based on long-term weather averages. There are 11 hours of sunshine per day on average.

  • 79°F maximum daytime temperature in August in Portimao79
    79°F max day temperature
  • 11 hours of sunshine per day
  • 1 day with some rainfall in August in Portimao1
    1 day with some rainfall
  • 64°F minimum night-time temperature in August in Portimao64
    64°F min night temperature
  • 14 hours of daylight per day in August in Portimao14
    14 hours of daylight per day
  • Moderate heat & humidity in August in PortimaoM
    Moderate heat & humidity
  • 0.1 inches monthly rainfall in August in Portimao0.1
    0.1 inches of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Portimao9
    9 (Very High) UV index
  • 68°F sea temperature in August in Portimao68
    68°F sea temperature

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The August weather guide for Algarve (Portimao) 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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More about the Algarve

How hot is it in Portimao in August?

Daytime temperatures usually reach 79°F in Portimao in August with moderate heat and humidity, falling to 64°F at night.

How sunny is it in Portimao in August?

There are normally 11 hours of bright sunshine each day in Portimao in August - that's 81% of daylight hours.

How warm is the sea around Portimao in August?

The average sea temperature around Portimao in August is 68°F.

Does it ever rain in Portimao in August?

There is usually 1 day with some rain in Portimao in August and the average monthly rainfall is 0.1 inches.

Portimao August sunrise & sunset times

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

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Friday, 1st August 2025 05:39 19:41
Saturday, 16th August 2025 05:52 19:24
Sunday, 31st August 2025 06:04 19:04

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