2026 Climate Averages

Weather: Lisbon — August

Conditions are pleasant for sightseeing, though you might encounter occasional showers. Recommended month to visit.

👍 Climate Overview

August is a good time to visit Lisbon. Warm weather with highs of 24°C—great for outdoor activities. Rainfall is rare, so you can leave the umbrella at home. Wind can be noticeable, especially in exposed areas—bring a windbreaker. As peak season, expect higher prices and more tourists. At 19°C, the sea is too cold for most swimmers.

9.2
GoTripzi Score Excellent

Based on weather comfort, crowds, prices, and activity options

Avg High

24°C

Avg Low

18°C

Rainy days

0days

Daylight

13.7h

Rainfall

0mm

Sunshine

12.1h/day

Humidity

78%

Humid
Sun Strength

10

Very High
Wind

25 km/h (gusts 41)

Sea Temp

19°C ❄️ Cold

Is August a good time to visit Lisbon?

Conditions are pleasant for sightseeing, though you might encounter occasional showers.

Now

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Feels like --
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UV Index --
Local time

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Peak Rates

Daylight

Sunrise

06:50

Sunset

20:34

13.7h daylight

Visiting Lisbon in August: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Minimal rainfall — great for outdoor plans
  • Abundant sunshine for beach and outdoor fun

Cons

  • Peak season — expect crowds and higher prices
  • Very high UV — sunscreen and shade essential

Things to Do in August

Recommended for This Weather

🚶 Walking tours & sightseeing
🚲 Cycling & bike tours
🏖️ Beach relaxation & sunbathing
🥾 Hiking & nature trails
🍜 Food tours & culinary experiences
🎭 Cultural tours & local experiences

Lisbon Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 15°C 10°C 8d (57mm) 7.3h
80% Very Humid
3.4 Moderate
Good
Feb 16°C 11°C 7d (52mm) 8.1h
81% Very Humid
4.6 Moderate
Good
Mar 16°C 11°C 11d (77mm) 9.6h
78% Humid
6.4 High
Excellent
Apr 18°C 13°C 9d (58mm) 11.1h
78% Humid
8.3 Very High
Excellent
May 20°C 15°C 4d (23mm) 12.6h
75% Humid
10.2 Extreme
Excellent
Jun 22°C 17°C 3d (12mm) 13h
77% Humid
10.6 Extreme
Excellent
Jul 24°C 18°C 0d (1mm) 13.1h
75% Humid
11.2 Extreme
Good
Aug Current 24°C 18°C 0d (0mm) 12.1h
78% Humid
10 Very High
Good
Sep 23°C 18°C 4d (35mm) 10.7h
77% Humid
7.6 Very High
Excellent
Oct 21°C 17°C 9d (68mm) 8.7h
81% Very Humid
5.1 High
Excellent
Nov 18°C 14°C 8d (76mm) 7.5h
82% Very Humid
3.5 Moderate
Good
Dec 15°C 12°C 9d (88mm) 7.1h
83% Very Humid
2.8 Moderate
Good

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Your Best MonthJulScore: 7.4

Where to Stay

See hotels, apartments & rentals around Lisbon – live prices from Booking.com, Expedia, Vrbo and more

Lisbon

Seven hills of charm, including iconic yellow tram 28 through Alfama, Belém Tower, pastel de nata, and stunning viewpoints.

View Full Destination Guide

What to Pack for August

Summer clothing like shorts, t-shirts, and sundresses will be comfortable. Bring a light cardigan for air-conditioned spaces. Don't forget a wide-brimmed hat and high-SPF sunscreen — the sun is strong.

Warm Moderate

🎒Personalized Packing List

Tell us about your trip and we'll create a custom packing list based on the weather.

Your Packing List

📋Essentials
👕Clothing
👟Footwear
🎒Accessories
🧴Toiletries & Health

Planning a trip to Lisbon?

🔥 Peak season — book early for best rates

Frequently Asked Questions

Is August a good time to visit Lisbon?
August is typically good for visiting Lisbon, with average highs of 24°C and around 0 rainy days. Plan your activities accordingly—outdoor sightseeing is best on dry days, while rainy days are perfect for museums and indoor attractions.
Does it get cold at night in Lisbon in August?
Evenings in Lisbon during August are mild at 18°C. A light cardigan or long sleeves for evenings is usually enough. Outdoor dining remains comfortable, making it a great time to enjoy rooftop bars and terrace restaurants.
What should I pack for Lisbon in August?
With highs of 24°C and lows of 18°C in August, we recommend: Sunscreen SPF 30+, Sunglasses, Comfortable walking shoes. Layering is key as temperatures can vary between air-conditioned interiors and outdoors. Comfortable walking shoes are essential for cobblestone streets.
Does it rain a lot in Lisbon in August?
Lisbon typically sees around 0 rainy days in August. Rain is usually in the form of brief showers rather than all-day downpours, so a compact umbrella is sufficient. Mornings tend to be drier, making them ideal for outdoor sightseeing.
Can you swim in Lisbon in August?
August is suitable for swimming in Lisbon, though the water may feel refreshing at first. Air temperatures average 24°C, and most swimmers find it enjoyable once they're in. Midday is usually the warmest time for a dip.
How many hours of daylight are there in Lisbon in August?
In August, Lisbon gets approximately 13.7 hours of daylight per day. This affects how much sightseeing you can fit in—longer days mean more time for outdoor activities, while shorter days are perfect for cozy museum visits and early dinners.
Is August peak season in Lisbon?
Yes, August is peak season in Lisbon. Expect higher prices for accommodation and more crowds at popular attractions, but also the best weather conditions. Book hotels and major attractions in advance to secure availability and better rates.

Weather Data: Based on 2020–2025 historical climate data from Open-Meteo

Solar calculations: SunCalc (timezone: Europe/Lisbon)

Last Updated: February 2026