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Lisbon weather in August 2021
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- 2828°C max day temperature
- 22 days with some rainfall
- 1818°C min night temperature
- 1414 hours of daylight per day
- MModerate heat & humidity
- 55 mm of monthly rainfall
- 88 (Very High) UV index
- 1919°C sea temperature
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The August weather guide for Lisbon, 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.
How hot is it in Lisbon in August?
Daytime temperatures usually reach 28°C in Lisbon in August with moderate heat and humidity, falling to 18°C at night.
How sunny is it in Lisbon in August?
There are normally 11 hours of bright sunshine each day in Lisbon in August - that's 80% of daylight hours.
How warm is the sea around Lisbon in August?
The average sea temperature around Lisbon in August is 19°C.
Does it ever rain in Lisbon in August?
There are usually 2 days with some rain in Lisbon in August and the average monthly rainfall is 5mm.
Lisbon sunrise & sunset times for August 2021
Browse the sunrise & sunset times for Lisbon in August 2021. Select a month to view Lisbon sunrise & sunset times for the next twelve months.
|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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Metric (°C / mm) | Imperial (°F / inches)
Discover more about Portugal
Where is hot in Portugal in August for 2021/2022?
Below are average maximum temperatures at popular destinations in Portugal in August. Select a destination to see more weather parameters.
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