2026 Climate Averages

Weather: Porto — August

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

👍 Climate Overview

August is a good time to visit Porto. Warm weather with highs of 26°C—great for outdoor activities. Rainfall is rare, so you can leave the umbrella at home. Being off-peak, you'll find better deals and fewer crowds. At 17°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

26°C

Avg Low

18°C

Rainy days

2days

Daylight

13.9h

Feels like 29°C / 19°C — humidity makes it feel warmer

Rainfall

8mm

Sunshine

12.4h/day

Humidity

75%

Humid
Sun Strength

9.6

Very High
Wind

17 km/h (gusts 33)

Sea Temp

17°C ❄️ Cold

Is August a good time to visit Porto?

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

Now

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Feels like --
Wind --
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Local time —

Air Quality

Travel Context

  • Crowds
    Moderate
  • Travel Costs Peak Rates

Daylight

Sunrise

06:44

Sunset

20:37

13.9h daylight

Visiting Porto in August: Pros & Cons

Pros

  • Comfortable temperatures for sightseeing
  • Minimal rainfall — great for outdoor plans
  • Abundant sunshine for beach and outdoor fun
  • Fewer crowds and better hotel deals

Cons

  • Sea too cold for comfortable swimming
  • 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

Porto Weather by Month

Month Avg High Avg Low Rain Sunshine Humidity UV Index Crowds Condition
Jan 14°C 8°C 12d (160mm) 6.4h
82% Very Humid
2.8 Moderate
Good
Feb 16°C 9°C 10d (96mm) 7.7h
79% Humid
4.1 Moderate
Good
Mar 16°C 9°C 13d (129mm) 9h
77% Humid
5.8 High
Wet
Apr 19°C 11°C 12d (118mm) 10.7h
76% Humid
7.7 Very High
Excellent
May 21°C 14°C 10d (72mm) 12.1h
75% Humid
9.5 Very High
Excellent
Jun 23°C 16°C 9d (60mm) 12.8h
78% Humid
9.9 Very High
Excellent
Jul 27°C 18°C 3d (11mm) 13.2h
72% Humid
10.9 Extreme
Good
Aug Current 26°C 18°C 2d (8mm) 12.4h
75% Humid
9.6 Very High
Good
Sep 24°C 16°C 10d (81mm) 10.2h
76% Humid
6.8 High
Excellent
Oct 21°C 15°C 15d (212mm) 7.8h
82% Very Humid
4.4 Moderate
Excellent
Nov 17°C 11°C 13d (181mm) 6.8h
84% Very Humid
3 Moderate
Wet
Dec 14°C 9°C 17d (178mm) 5.9h
85% Very Humid
2.3 Moderate
Wet

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Your Best MonthJulScore: 7.4
1.Jul
7.42.Aug
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5.68.Jun
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5.610.May
4.711.Oct
4.712.Apr
4.3

Where to Stay

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

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Porto

Riverside charm, including port wine cellars, Walk across Dom Luís I Bridge and colorful Ribeira district, azulejo tiles, and a bohemian atmosphere.

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.

Moderate 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 Porto?

💰 Off-peak — great deals available now

Frequently Asked Questions

Is August a good time to visit Porto?
August is typically good for visiting Porto, with average highs of 26°C and around 2 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 Porto in August?
Evenings in Porto 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 Porto in August?
With highs of 26°C and lows of 18°C in August, we recommend: Lightweight breathable clothes, Sunscreen SPF 30+, Sun hat, Sunglasses. 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 Porto in August?
Porto typically sees around 2 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 Porto in August?
Yes, August is excellent for swimming in Porto! With warm air temperatures around 26°C, the water is comfortable for extended beach sessions. This is peak beach season, so arrive early to secure a good spot at popular beaches.
How many hours of daylight are there in Porto in August?
In August, Porto gets approximately 13.9 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 Porto?
No, August is not peak season in Porto. Expect better value on accommodation, shorter queues at attractions, and fewer tourists at popular spots. This is an excellent time to experience the city like a local and enjoy a more authentic atmosphere.

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

Solar calculations: SunCalc (timezone: Europe/Lisbon)

Last Updated: February 2026

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