Portimao weather in August 2025

Expect 26°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Portimao in August. Check more long-term weather averages for Portimao in August before you book your next holiday to Algarve in 2025/2026.

  • 26°C maximum daytime temperature in August in Portimao26
    26°C max day temperature
  • 11 hours of sunshine per day
  • 1 day with some rainfall in August in Portimao1
    1 day with some rainfall
  • 18°C minimum night-time temperature in August in Portimao18
    18°C 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
  • 2 mm monthly rainfall in August in Portimao2
    2 mm of monthly rainfall
  • UV (maximum) index 9 (Very High) in August in Portimao9
    9 (Very High) UV index
  • 20°C sea temperature in August in Portimao20
    20°C sea temperature

More about the Portimao

Portimao by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for the Algarve

Jet2holidays: up to £60pp off 2024/2025 holidays

  • Save up to £60 per person on holidays with myJet2
  • £60pp off winter 2024/2025 & £50pp off summer 2025
  • Travel before 31st October 2025 (inclusive)
Go to Jet2holidays deal >>

Expires at 23:59 on Saturday 30th Nov 2024 · View all Jet2holidays offers

Jet2holidaysJet2holidays deal finder

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 / mm)  |  Imperial (°F / inches)

Back to top

More about the Algarve

How hot is it in Portimao in August?

Daytime temperatures usually reach 26°C in Portimao in August with moderate heat and humidity, falling to 18°C 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 20°C.

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 2mm.

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

Related posts

Popular travel offers

Explore holidays in the sun for less

More holidays

Airport parking

More parking

Airport lounges

More lounges

Top ^