Portugal weather in August 2021

Get the latest coronavirus (Covid-19) updates for Portugal with current travel advice and statistics on new cases per 100,000 and vaccine.

Below are average maximum temperatures at popular destinations in Portugal in August. Select a destination to see more weather parameters.

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The August weather guide for Portugal 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.

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How hot is it in Portugal in August?

Daytime temperatures usually reach 28°C in Lisbon, Portugal in August with moderate heat and humidity, falling to 18°C at night.

How sunny is it in Portugal in August?

There are normally 11 hours of bright sunshine each day in Lisbon, Portugal in August - that's 80% of daylight hours.

How warm is the sea around Portugal in August?

The average sea temperature around Lisbon, Portugal in August is 19°C.

Does it ever rain in Portugal in August?

There are usually 2 days with some rain in Lisbon, Portugal in August and the average monthly rainfall is 5mm.

Metric (°C / mm)  |  Imperial (°F / inches)

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Portugal sunrise & sunset times for August 2021

Browse the sunrise and sunset times for Portugal in August 2021. Select a month to view Portugal sunrise & sunset times for the next 12 months. The Portugal sunrise and sunset times shown below are for Lisbon.

JanFebMarAprMayJunJulAugSepOctNovDec

Date Sunrise times Sunset times
Sunday, 1st August 2021 06:38 20:47
Monday, 16th August 2021 06:51 20:30
Tuesday, 31st August 2021 07:05 20:08
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