Month guide · Lisbon · Portugal
Lisbon in August
What August is really like in Lisbon: weather, crowds, prices, events and what to pack.
Updated By the AMZBooking editorial team
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Quick answer
August is a quieter month with trade-offs. Expect average highs of 29°C (84°F), lows of 18°C (64°F), about 1 rainy days and roughly 13.7 hours of daylight. The hottest month and peak beach season; some local restaurants close for holidays while the city fills with visitors.
Key facts
- Average high / low
- 29°C (84°F) / 18°C (64°F)
- Rainy days
- About 1
- Daylight
- About 13.7 hours
- Sea temperature
- 19°C (66°F)
- Crowds
- Very busy
- Hotel prices
- Highest
Weather in August
August is the warmest month in Lisbon: days average 29°C (84°F) against a yearly average high of 22°C (72°F), and nights fall to about 18°C (64°F). Rain falls on roughly 1 of its 31 days. Compared with July (28°C (82°F)), August is about as warm; by September highs drop to around 27°C (81°F).
- Sunrise (15 August)
- About 06:51
- Sunset (15 August)
- About 20:32
- Daylight
- About 13.7 hours
- Sea
- 19°C (66°F)
Summer (June–August). Hot, dry and the busiest season, with June street festivals, beach days on the Cascais line and the highest hotel prices.
Crowds and prices
On a 1–5 scale, August rates 5 for crowds (the peak is June at 5) and 5 for hotel prices (highest in June). Book accommodation early: August is one of the pricier months.
Events in August
- Jazz em Agosto at the Gulbenkian (usually August)
Dates move from year to year. Check the organiser’s site before booking travel around an event.
What to do in August
Mild, settled days suit walking, viewpoints and time outdoors.
Historic site · Chiado
Carmo Convent
The Gothic church of this 14th-century convent lost its roof in the 1755 earthquake and was never rebuilt; its bare stone arches now frame the sky above Chiado.
- Time needed
- 45 minutes
- Cost
- Low cost
- History
- Architecture
- Off the beaten path
- Photo spot
Neighbourhood · Alcântara
LX Factory
Visit on a Sunday for the LX Market stalls, and stop on the way between the centre and Belém.
- Time needed
- 1.5–2 hours
- Cost
- Free
- Free
- Shopping
- Food
- Art
Market · Cais do Sodré
Mercado da Ribeira and Time Out Market
Lisbon's 19th-century central market hall is split in two: one side is still a traditional market of fish, fruit and flowers in the mornings, the other is the Time Out Market food hall with stalls from well-known Lisbon chefs, bakeries and seafood bars around shared tables.
- Time needed
- 1–1.5 hours
- Cost
- Low cost
- Food
- Rainy day
- Shopping
Landmark · Belém
Belém Tower
The exterior and setting are the highlight; walk the riverside path from the Padrão dos Descobrimentos and decide on the interior when you see the queue.
- Time needed
- 45 minutes–1 hour
- Cost
- Mid-priced
- Iconic
- History
- Views
- Photo spot
- Kids
What to pack
For highs near 29°C, lows near 18°C and 1 wet days: light, breathable clothes, a sun hat and high-factor sunscreen; comfortable walking shoes.
Is August a good time to visit Lisbon?
A quieter month with trade-offs, with a notable event on the calendar. If your dates are flexible, April–June and September–October are better overall. Compare every month.
Lisbon in other months
Questions travellers ask
+Is August a good time to visit Lisbon?
It is a quieter month with trade-offs. The hottest month and peak beach season; some local restaurants close for holidays while the city fills with visitors.
+How warm is Lisbon in August?
Average highs are around 29°C (84°F) and lows around 18°C (64°F).
+Does it rain a lot in Lisbon in August?
Expect rain on about 1 days of the month, so it is usually dry.