Lisboa
Weather by month
Current – 10-day forecastForecast

Lisboa Weather in August

With daytime temperatures of 27°C (81°F) and nighttime lows of 18°C (64°F), August in Lisboa brings high temperatures during the day. The excellent weather makes it an appealing time to visit.

Rainfall in Lisboa in August

You can typically expect 2 days of rain this month, averaging around 5.7 mm (0.2 in). On the rare occasion it rains this month, it usually amounts to very little.

Temperature in Lisboa in August

August in Lisboa is generally excellent, with days reaching 27°C (81°F) and nights settling around 18°C (64°F). Experience the summer season in August. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. Nights cool down to 18°C (64°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions. On average, it is the warmest month of the year.

Sunshine in Lisboa in August

Enjoy a sunny month with about 350 hours of sunshine, the clear skies make Lisboa even more beautiful.

If you're a fan of comfortable temperatures and drier conditions, August is a great time to visit.

Lisboa Temperature in August

Min Temperature
18°C (64°F)
Max Temperature
27°C (81°F)
Chance of Rain
6%
Precipitation
5.7 mm (0.2 in)
Rainy days
2 days
Sunshine
350 hours *
Percentage Sunshine
82% *

Lisboa Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Lisboa - and find the best time to visit.

Best Places in Portugal in August

Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in August →

perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Lisboa in August

Warm but pleasant conditions in Lisboa in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Dry conditions mean you won't need to worry about rain protection. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.

What To Do in Lisboa in August

We rated the following activities from 1 (least suitable) to 10 (best) to do.

  • Swimming
    10/10
  • Cycling
    8/10
  • Walking
    8/10
  • Barbeque
    10/10
  • Camping
    10/10
  • Outdoor sports
    8/10

Lisboa 3-Day Forecast

More climate data for Lisboa

Popular in August

Where to go in August - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.