Visiting Lisbon in August means sunshine, blue skies, Weather in August in Lisbon and warm coastal breezes — but it also means intense heat. If you’re planning a summer getaway to Portugal’s vibrant capital, it’s essential to prepare for the hot weather while still making the most of your trip. Here’s everything you need to know, including 10 smart travel tips to stay cool, comfortable, and happy.
1. Understand the Weather in August in Lisbon
Before packing your bags, it’s important to know what to expect. August is one of the hottest months in Lisbon, with average daytime temperatures around 28–33°C (82–91°F). Nighttime temperatures are milder, usually 17–20°C (63–68°F).
Rain is rare, and sunshine is almost guaranteed, with 11 to 12 hours of daylight daily. The UV index is high, so sun protection is a must. You’ll want to structure your day around the heat and plan smarter to enjoy the city’s beauty.
2. Start Your Day Early to Avoid Peak Heat
Weather in August in Lisbon The best way to enjoy Lisbon in August is to wake up early. Temperatures are cooler before 11 a.m., so take advantage of this time to explore:
Alfama’s narrow streets
Miradouros (viewpoints) like Miradouro da Senhora do Monte
Outdoor cafes without the blazing sun overhead
This approach lets you beat the crowds *andthe heat.
3. Stay Hydrated Throughout the Day
Weather in August in Lisbon It might seem obvious, but hydration is crucial in Lisbon’s August weather. Always carry a reusable water bottle, especially when walking uphill through Lisbon’s historic neighbourhoods.
Many parks and public areas have free drinking fountains. Avoid too much caffeine or alcohol during the hottest hours, as these can contribute to dehydration.
4. Dress Light — But Stylish
Weather in August in Lisbon Lisbon is a fashionable city, but function matters in August. Opt for:
Light, breathable fabrics like cotton or linen
Lightcoloured clothes to reflect heat
Comfortable sandals or walking shoes with grip (the cobbled streets can be slippery!)
Sunglasses and a widebrimmed hat for extra protection
Avoid dark colours, tight jeans, and synthetic fabrics — they’ll only make you sweat more.
5. Use Sunscreen Religiously
Weather in August in Lisbon The UV index in Lisbon in August is very high, often reaching 9 or above. Protect your skin with a broadspectrum SPF 30 or higher. Apply it in the morning and reapply every 2–3 hours, especially if you’re sweating or swimming.
Don’t forget oftenmissed areas like:
Ears
Neck
Tops of feet
Behind your knees
This simple step can save your skin and your vacation.
6. Take Advantage of Lisbon’s Beaches
Weather in August in Lisbon When the city gets too hot, locals and tourists alike escape to the beaches near Lisbon. Within a 30–45 minute train ride, you can be relaxing by the sea.
Top beach picks for August:
Carcavelos: great for surfing and families
Costa da Caparica: long stretches of sand and lively beach bars
Praia de Santo Amaro de Oeiras: small and easily accessible
Bring sunscreen, a towel, and maybe a beach umbrella for shade.
7. Plan Indoor Activities for Midday
From 12 p.m. to 4 p.m., Lisbon can feel scorching. This is the perfect window for indoor, airconditioned activities.
Here are a few cool options:
MAAT (Museum of Art, Architecture, and Technology)
Oceanário de Lisboa (Lisbon Oceanarium)
LX Factory’s bookshops and cafés
Tile Museum (Museu Nacional do Azulejo)
Not only will you escape the heat — you’ll also experience Lisbon’s rich cultural offerings.
8. Enjoy Late Dinners and Evening Strolls
Lisbon comes alive in the evenings. The temperature cools off around 8 p.m., making it the perfect time to enjoy alfresco dining, sunset views, and musicfilled terraces.
Mustvisit spots include:
Time Out Market for delicious eats
Miradouro de Santa Catarina for sunset views
Fado restaurants in Alfama for traditional music and dinner
It’s all part of Lisbon’s relaxed summer rhythm.
9. Choose AirConditioned Accommodation
Not all Lisbon accommodations have air conditioning — especially in older buildings. In August, air conditioning is essential, unless you’re used to sleeping in the heat.
When booking:
Doublecheck for air conditioning in the listing
Look for rooms with blackout curtains to block out sunlight
Consider staying slightly outside the city centre for a cooler, quieter atmosphere
10. Use Public Transport (Or TukTuks) Wisely
Lisbon’s steep hills and hot August sun can make walking a challenge. While it’s a walkable city, it’s worth mixing in public transport:
Tram 28 for a scenic ride through historic areas
Metro or buses with air conditioning
Tuktuks or Bolt rides for short distances (especially uphill)
This keeps you cool and saves energy for enjoying the sights.
Conclusion: Beat the Lisbon Heat and Soak in the Charm
Visiting Lisbon in August can be a dream — if you’re prepared. The city’s beautiful tiles, golden rooftops, and coastal charm shine even brighter in the summer sun. With a few smart travel tips, you can beat the heat and truly enjoy everything this incredible city offers.
From beach escapes to earlymorning walks and latenight fado, August in Lisbon is bursting with opportunities. Just don’t forget your water bottle and sunscreen!
FAQs: Weather in August in Lisbon
1. How hot is Lisbon in August?
Lisbon temperatures in August typically range between 28–33°C (82–91°F) during the day and around 17–20°C (63–68°F) at night. It’s one of the hottest months, so sun protection and hydration are key.
2. Is August a good time to visit Lisbon?
Yes, if you love sunny weather and lively events. While it’s hot, Lisbon is full of festivals, outdoor dining, and beach opportunities. Just be prepared for crowds and heat.
3. Are Lisbon’s attractions open in August?
Yes, most tourist attractions stay open in August. However, some local businesses or restaurants may close for a few weeks during the month for holidays.
4. Can I swim in the ocean in Lisbon in August?
Absolutely! The Atlantic waters are refreshing in August, with sea temperatures around 19–21°C (66–70°F) — perfect for a dip.
5. What should I pack for Lisbon in August?
Pack:
Light, breathable clothes
Swimwear and sandals
Sunscreen, sunglasses, and a hat
A reusable water bottle
A light jacket for breezy nights