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Portugal Weather August
To help you choose the best time to travel, you can find climate data below on the weather in Portugal in August.
| Portugal Weather August: | Lisbon | Algarve | |
 | average daily high | +28.3°C | +28.8°C |
 | average daily low | +18.6°C | +18.5°C |
 | sea temperature | +19.5°C | +21.6°C |
 | daylight hours | 14.1h | 14.0h |
 | sunny/overcast hours | 11.1/3h | 11.4/2.6h |
 | average monthly precipitation | 7 mm | 4 mm |
Temperature in Portugal
The average daily maximum in August is +28.3 — +28.8°C, and the minimum +18.6 — +18.5°C.
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Sea temperature
The average monthly temperature in the Atlantic Ocean on the beaches of Lisbon in August is +19.5 degrees and on the beaches of Algarve +21.6 degrees.
The water is warm enough for most people to bathe in, however a majority would still consider it too cool.
Precipitation
The normal amount of precipitation for August is from 4 to 7 mm, a negligible amount.