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Portimao weather in August 2025
Expect 79°F 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.
- 79°F max day temperature
79 - 11 hours of sunshine per day
- 1 day with some rainfall
1 - 64°F min night temperature
64 - 14 hours of daylight per day
14 - Moderate heat & humidity
M - 0.1 inches of monthly rainfall
0.1 - 9 (Very High) UV index
9 - 68°F sea temperature
68
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Recommended for the Algarve
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)
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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