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Lisbon in August
Portugal · Weather in August

Lisbon weather
in August

Our take

Reliably warm, dry, and generous with light.

10-year Open-Meteo data · 2015 — 2026
High
28.3°C
83°F
Low
18.5°C
65°F
Rainfall
2mm
Sunshine
12.4h/day

Roughly 1 rainy days across the month, on average.

In august, Lisbon settles into its warmer, more generous mood. The city keeps a different pulse than in summer or midwinter, and travellers who arrive with the right expectations are rewarded.

Days average around 28°C (83°F), cooling to 19°C after sunset. Rain is rare enough that you can plan without a contingency. Long days of sunshine reward early starts.

These figures are climatological averages, drawn from a decade of daily records via the Open-Meteo Archive — not a forecast. But they are honest, and they are the sort of thing a good travel guide ought to tell you before you book the flight.

§II · Pack

What to pack for Lisbon in August

  • Breathable cotton or linen, and a broad-brimmed hat
  • Reef-safe sunscreen and polarised sunglasses
  • Comfortable, broken-in walking shoes
  • A small daypack that won't look like a tourist beacon
§III · Stay

Where to stay in Lisbon

We don't review individual hotels — plenty of people do that well. What we do is send you to compare rooms in Lisbon across trusted platforms.

Compare hotels on Booking.com
§V · Context

August vs. the rest of the year

How this month compares in Lisbon. Tap any month to read more.

Frequently asked

Lisbon in August — FAQ

Q01

Is August a good time to visit Lisbon?

Yes — this is one of the best months of the year to visit. In August, Lisbon averages a high of 28°C (83°F) and a low of 19°C (65°F), with 2mm of rainfall across roughly 1 rainy days.

Q02

What is the average temperature in Lisbon in August?

The average high temperature in Lisbon during August is 28°C (83°F), with an average low of 19°C (65°F). These figures are averaged from ten years of daily records (2015–2024, Open-Meteo Archive).

Q03

How many rainy days does Lisbon have in August?

Lisbon averages approximately 1 rainy days in August, with a total monthly rainfall of about 2mm. This is based on daily precipitation records where days with 1mm or more of rain are counted as rainy days.

Q04

What should I pack for Lisbon in August?

For Lisbon in August, pack light, breathable clothing (cotton or linen), sunscreen and sunglasses, comfortable walking shoes. These recommendations are based on the ten-year weather averages for this specific month.

Q05

How crowded is Lisbon in August?

Tourist crowds in Lisbon during August are typically high — this is peak season, expect crowds and higher prices. Consider this when planning accommodation — prices track crowd levels closely.