Lisbon weather in August 2019

  • 28°C maximum daytime temperature in August in Lisbon28
    28°C max day temperature
  • 11 hours of sunshine per day
  • 2 days with some rainfall in August in Lisbon2
    2 days with some rainfall
  • 18°C minimum night-time temperature in August in Lisbon18
    18°C min night temperature
  • 14 hours of daylight per day in August in Lisbon14
    14 hours of daylight per day
  • Moderate heat & humidity in August in LisbonM
    Moderate heat & humidity
  • 5 mm monthly rainfall in August in Lisbon5
    5 mm of monthly rainfall
  • UV (maximum) index 8 (Very High) in August in Lisbon8
    8 (Very High) UV index
  • 19°C sea temperature in August in Lisbon19
    19°C sea temperature

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Expect 28°C daytime maximum temperatures in the shade with on average 11 hours of sunshine per day in Lisbon in August. Check more long-term weather averages for Lisbon in August before you book your next holiday to Portugal in 2019/2020.

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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.

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

Guide to Lisbon weather in August

The average maximum daytime temperature in Lisbon in August is a warm 28°C (82°F) with moderate heat & humidity. The average night-time temperature is usually a comfortable 18°C (64°F). There are usually 11 hours of bright sunshine each day, which represents 80% of the 14 hours of daylight.

Expect 5mm (0.2 inches) of rainfall across the whole of August with 2 days with some rain falling. Maximum UV levels will be very high (8 UV index) at midday when the skies are clear.

The average sea temperature in and around Lisbon in August is 19°C (66°F).

Lisbon sunrise & sunset times for August 2019

Browse the sunrise & sunset times for Lisbon in August 2019. Select a month to view Lisbon sunrise & sunset times for the next twelve months.


Date Sunrise times Sunset times
Thursday, 1st August 2019 06:38 20:48
Friday, 2nd August 2019 06:39 20:47
Saturday, 3rd August 2019 06:39 20:46
Sunday, 4th August 2019 06:40 20:45
Monday, 5th August 2019 06:41 20:44
Tuesday, 6th August 2019 06:42 20:42
Wednesday, 7th August 2019 06:43 20:41
Thursday, 8th August 2019 06:44 20:40
Friday, 9th August 2019 06:45 20:39
Saturday, 10th August 2019 06:46 20:38
Sunday, 11th August 2019 06:47 20:37
Monday, 12th August 2019 06:47 20:35
Tuesday, 13th August 2019 06:48 20:34
Wednesday, 14th August 2019 06:49 20:33
Thursday, 15th August 2019 06:50 20:32
Friday, 16th August 2019 06:51 20:30
Saturday, 17th August 2019 06:52 20:29
Sunday, 18th August 2019 06:53 20:28
Monday, 19th August 2019 06:54 20:26
Tuesday, 20th August 2019 06:55 20:25
Wednesday, 21st August 2019 06:56 20:23
Thursday, 22nd August 2019 06:56 20:22
Friday, 23rd August 2019 06:57 20:21
Saturday, 24th August 2019 06:58 20:19
Sunday, 25th August 2019 06:59 20:18
Monday, 26th August 2019 07:00 20:16
Tuesday, 27th August 2019 07:01 20:15
Wednesday, 28th August 2019 07:02 20:13
Thursday, 29th August 2019 07:03 20:12
Friday, 30th August 2019 07:04 20:10
Saturday, 31st August 2019 07:04 20:09
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Below are average maximum temperatures at popular destinations in Portugal in August. Select a destination to see more weather parameters.

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