Porto weather in August
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Porto August weather at a glance
In August, Porto averages 20.7°C, with typical highs of 25.1°C and lows of 16.9°C. The historical average is 3 wet days and 77% humidity.
Porto August temperature & humidity
Porto August rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Porto in August
Choose breathable summer clothes and pack sun protection.
- DaytimeBreathable short sleeves, hat and sunscreen · average high 25.1°C
- Morning & eveningLong sleeves with a jacket or cardigan · average low 16.9°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Porto August sunrise & sunset times
2026 August · Local time (Europe/Lisbon)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-08-01 | 06:30 | 20:51 | 14h 21m |
| 2026-08-15 | 06:44 | 20:33 | 13h 49m |
| 2026-08-31 | 07:00 | 20:09 | 13h 9m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
Porto travel updates
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Today’s weather and forecast
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Forecast · Windy. Monthly averages are in the Temperature section.
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Porto travel essentials
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Best months to visit Porto
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
August weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Porto weather like in August?
In August, Porto averages 20.7°C, with typical highs of 25.1°C and lows of 16.9°C. The historical average is 3 wet days and 77% humidity. Our weather-comfort rating for this month is excellent.
Does it rain a lot in Porto in August?
There are about 3 wet days in August. A compact umbrella is still useful.
What should I wear in Porto in August?
Choose breathable summer clothes and pack sun protection.
What are the best months to visit Porto?
Recent weather data rates May, June, July, August among the more comfortable months.
Where can I check Porto weather in August in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Porto in August?
On 2026-08-15, calculated sunrise is 06:44 and sunset is 20:33 in local time (Europe/Lisbon). Times vary by date and terrain.
Porto weather by month
More Europe destinations in August
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations