Portugal weather in August 2021

Get the latest coronavirus (COVID-19) updates for Portugal with current travel advice, statistics and online resources.

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

More destinations >>

Recommended for Portugal

  • Top deals & discounts
  • Portugal weather overview
  • Portugal climate averages by month
  • More destinations
  • Best time to go to Portugal
  • Portugal 5-day weather forecast

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

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.

  • Save on holiday homes, villas & apartments in Portugal
  • Choose from over 34,000 holiday rentals
  • Book properties in the Algarve, Lisbon, Porto & more

VRBOHoliday rental finder

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.

Portugal sunrise & sunset times for August 2021

Browse the sunrise & sunset times for Portugal in August 2021. Select a month to view Portugal sunrise & sunset times for the next twelve months. The Portugal sunrise & 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
  • Save on holiday homes, villas & apartments in Portugal
  • Choose from over 34,000 holiday rentals
  • Book properties in the Algarve, Lisbon, Porto & more

VRBOHoliday rental finder

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

Back to top

Discover more about Portugal

More Portugal destinations

More destinations & map >>

Related posts

Popular travel offers

Top ^

*affiliate links: find out how we are funded and why this helps us remain free to use.