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Weather in Porto for August 2025

Your guide to Porto weather in August - trends and predictions

    Official Weather Alert ⚠️

  • Yellow Heat Warning - See hour by hour.

    • Temperatures

  • The forecast for the first days of August 2025 in Porto predicts temperatures to be around 26 °C, close to the historical average.

  • In general, the average temperature in Porto at the beginning of August is 26.9 °C. As the month progressed, temperatures tended to significantly cool down, reaching an average of 23.6 °C by the end of August.

    • Rain 🌧️

  • Precipitation in Porto during August is a rare event, with an average of fewer than 2 rainy days.

    • More

  • 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
30
Dry days
Average rainy days
1
Rainy days
Average snowy days
0
Snow days
Average temperatures
24°/17°
Temperatures
Average wind speed
19 km/h
Avg max wind
Average humidity
71 %
Avg humidity

Porto Weather August

Move between months or click on a day
July
September
Mon.Tue.Wed.Thu.Fri.Sat.Sun.
1
Weather Alert Sunny
25°
2
Weather Alert Sunny
25°
3
Sunny
29°
4
Sunny
31°
5
Sunny
29°
6
Patchy rain possible
25°
7
Partly cloudy
24°
8
Sunny
23°
9
Sunny
24°
10
Sunny
27°
11
Sunny
25°
12
Sunny
24°
13
Sunny
24°
14
Partly cloudy
24°
15
Sunny
24°
16
Sunny
25°
17
Sunny
24°
18
Patchy rain possible
26°
19
Sunny
25°
20
Sunny
25°
21
Sunny
26°
22
Sunny
27°
23
Sunny
29°
24
Overcast
25°
25
Sunny
25°
26
Overcast
25°
27
Sunny
23°
28
Sunny
23°
29
Partly cloudy
23°
30
Partly cloudy
23°
31
Partly cloudy
23°

Temperatures trend during August in Porto

See the weather trend as well as the moving average line

August weather in Porto day by day

Click on a date for more information
July September
Date Weather Temperatures Rain UV More
1 Aug. Sunny
Sunny
 25° /19° 0 mm 2
2 Aug. Sunny
Sunny
 25° /18° 0 mm 2.1
3 Aug. Sunny
Sunny
 29° /20° 0 mm 1.7
4 Aug. Sunny
Sunny
 31° /22° 0 mm 7
5 Aug. Sunny
Sunny
 29° /22° 0 mm 7
6 Aug. Patchy rain possible
Patchy rain possible
 25° /19° 0.1 mm 5
7 Aug. Partly cloudy
Partly cloudy
 24° /17° 0.1 mm 5
8 Aug. Sunny
Sunny
 23° /16° 0 mm 5
9 Aug. Sunny
Sunny
 24° /17° 0 mm 6
10 Aug. Sunny
Sunny
 27° /18° 0 mm 6
11 Aug. Sunny
Sunny
 25° /18° 0 mm 6
12 Aug. Sunny
Sunny
 24° /16° 0 mm 5
13 Aug. Sunny
Sunny
 24° /17° 0 mm 6
14 Aug. Partly cloudy
Partly cloudy
 24° /16° 0 mm 6
15 Aug. Sunny
Sunny
 24° /16° 0 mm 7
16 Aug. Sunny
Sunny
 25° /17° 1.1 mm 6
17 Aug. Sunny
Sunny
 24° /17° 0.1 mm 6
18 Aug. Patchy rain possible
Patchy rain possible
 26° /17° 0.1 mm 6
19 Aug. Sunny
Sunny
 25° /17° 0.2 mm 6
20 Aug. Sunny
Sunny
 25° /16° 0 mm 6
21 Aug. Sunny
Sunny
 26° /17° 0 mm 7
22 Aug. Sunny
Sunny
 27° /17° 0.1 mm 7
23 Aug. Sunny
Sunny
 29° /18° 0 mm 7
24 Aug. Overcast
Overcast
 25° /18° 0 mm 6
25 Aug. Sunny
Sunny
 25° /16° 0 mm 6
26 Aug. Overcast
Overcast
 25° /16° 0 mm 6
27 Aug. Sunny
Sunny
 23° /16° 0 mm 6
28 Aug. Sunny
Sunny
 23° /15° 0 mm 6
29 Aug. Partly cloudy
Partly cloudy
 23° /16° 0 mm 6
30 Aug. Partly cloudy
Partly cloudy
 23° /15° 0 mm 6
31 Aug. Partly cloudy
Partly cloudy
 23° /16° 0 mm 6
Next
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.
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Porto in August - FAQ

What are the expected maximum and minimum temperatures in Porto during August?
During August, expect a variety of temperatures with highs around 24° 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 1 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 19 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 ☀️
Provinces in Porto
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Vila Nova de Gaia
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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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