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Weather in Porto for August 2025

Your guide to Porto weather in August - trends and predictions
  • In general, the average temperature in Porto at the beginning of August is 25 °C. As the month progressed, temperatures tended to noticeably cool down, reaching an average of 22.3 °C by the end of August.

  • With an average of 4 rainy days, Porto experiences minimal rainfall in August.

  • Is August a good time to visit Porto? check out the best time to travel to Porto page.

  • New! Chat with our AI weatherman - it’s amazing and free.
Average dry days
27
Dry days
Average rainy days
4
Rainy days
Average snowy days
0
Snow days
Average temperatures
25°/17°
Temperatures
Average wind speed
21 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Porto in August average weather

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Temperatures trend during August in Porto

See the weather trend as well as the moving average line
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August weather day by day

Click on a date for more information
Date Weather Temperatures Rain UV More
1 Aug. Patchy rain possible
Patchy rain possible
24° /16° 0.4 mm 6
2 Aug. Moderate rain at times
Moderate rain at times
23° /16° 1.5 mm 6
3 Aug. Sunny
Sunny
24° /15° 0 mm 6
4 Aug. Sunny
Sunny
25° /16° 0 mm 7
5 Aug. Sunny
Sunny
25° /17° 0 mm 7
6 Aug. Sunny
Sunny
27° /18° 0 mm 7
7 Aug. Sunny
Sunny
27° /18° 0 mm 7
8 Aug. Sunny
Sunny
26° /19° 0 mm 6
9 Aug. Cloudy
Cloudy
25° /18° 0 mm 6
10 Aug. Sunny
Sunny
26° /18° 0 mm 7
11 Aug. Sunny
Sunny
25° /17° 0 mm 7
12 Aug. Sunny
Sunny
23° /16° 0 mm 6
13 Aug. Partly cloudy
Partly cloudy
22° /15° 0.1 mm 6
14 Aug. Sunny
Sunny
23° /15° 0 mm 6
15 Aug. Sunny
Sunny
24° /16° 0 mm 7
16 Aug. Partly cloudy
Partly cloudy
26° /17° 0 mm 7
17 Aug. Cloudy
Cloudy
24° /17° 0.1 mm 6
18 Aug. Patchy rain possible
Patchy rain possible
25° /17° 0.2 mm 5
19 Aug. Patchy rain possible
Patchy rain possible
24° /18° 0.3 mm 6
20 Aug. Partly cloudy
Partly cloudy
25° /17° 0 mm 6
21 Aug. Sunny
Sunny
26° /18° 0 mm 7
22 Aug. Patchy rain possible
Patchy rain possible
27° /18° 0.1 mm 6
23 Aug. Sunny
Sunny
27° /18° 0 mm 7
24 Aug. Overcast
Overcast
24° /17° 0 mm 6
25 Aug. Overcast
Overcast
23° /15° 0 mm 6
26 Aug. Overcast
Overcast
23° /15° 0 mm 5
27 Aug. Sunny
Sunny
21° /14° 0 mm 6
28 Aug. Sunny
Sunny
22° /14° 0 mm 6
29 Aug. Sunny
Sunny
22° /16° 0 mm 6
30 Aug. Sunny
Sunny
23° /15° 0 mm 6
31 Aug. Partly cloudy
Partly cloudy
22° /16° 0 mm 6
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Important Notice
Our weather forecast for Porto in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Porto forecast closer to your planned date for the most up-to-date weather information.

Guide for Porto in August

In August, Porto, Portugal experiences warm and pleasant weather, making it an ideal time to visit this beautiful city. At the beginning of the month, Porto typically enjoys daytime temperatures averaging around 25° with clear skies and plenty of sunshine.

The evenings are comfortably mild, perfect for leisurely strolls along the Douro River or dining al fresco at one of the city's charming outdoor cafes.

Towards the end of August, the weather in Porto remains delightful, with temperatures slightly increasing to around 27°. Visitors can continue to bask in the sunshine and enjoy the inviting Mediterranean climate.

The city's coastal location ensures a refreshing sea breeze, adding to the overall comfort of outdoor activities.

Overall, August is a fantastic time to explore Porto's historic streets, visit its renowned port wine cellars, and take in the stunning views from the Dom Luís I Bridge.

The weather is perfect for enjoying the city's outdoor attractions and soaking up the vibrant atmosphere of this enchanting destination.

Porto in August - FAQ

Is August a good time to visit Porto?
Yes, August is a good time to traveling to Porto, read more about the best time to visit Porto.
What are the expected maximum and minimum temperatures in Porto during August?
During August, expect a variety of temperatures with highs around 25° and lows near 17°, suitable for diverse activities and preferences.
How much rainfall should be expected in Porto during August?
Rainfall in Porto during August is rare to nonexistent, with the total expected rainfall being less than 10 mm and approximately 4 days seeing any precipitation. Planning without the concern for rain is generally straightforward during this very dry period.
What are the typical wind conditions in Porto during August?
The average wind speed in Porto during August is 21 km/h, suggesting breezy to windy conditions, depending on your activities.

What to pack to Porto in August?

As you prepare for your trip to Porto in August, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Porto, during August, is comfortable and enjoyable, regardless of the weather conditions.

  • Clothing
    • Layered Clothing: Light sweaters, long-sleeve shirts, light jackets, and comfortable pants
  • Accessories
    • Sunglasses: For sun protection
    • Sun Hats: Wide-brimmed hats for sun protection in warm weather

August rainfall patterns in Porto

Explore the daily rainfall trends and prepare for Portos August weather 💧

UV exposure in Porto during August

Stay informed about UV levels for safe outdoor activities throughout the month of August ☀️
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Location coordinates Where is Porto?

Get accurate weather forecasts for Porto, located at latitude 41.15 and longitude -8.611. Stay updated with localized weather information tailored for Porto.

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