Weather in Porto in August
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Book now, pay at pickup — compare Hertz, Avis, Budget, Sixt and 800+ rental companies for August in Porto.
Compare car hire prices → Affiliate link — we earn a commission at no extra cost to youPorto in August is warm — daytime temperatures average 23.9°C, dropping to 16.3°C at night. The month is very dry, with roughly 12.1 hours of sunshine a day. Weather-wise, this is one of the most reliable months to travel. For the complete picture, see the best time to visit Porto — every month compared. Once you know when to go, find your Porto packing list at 247PackingList.
Get ready for Porto in August
Search flights to Porto
Compare 100+ airlines for August — one search, best price.
Search Flights →Travel clothing layers
Pack layers — temperatures can vary significantly between day and night.
Check Price →What to pack for Porto in August
- Light layers
- Sunscreen
- T-shirts and light trousers or shorts
Compare all months in Porto
| Month | High | Rain | Rating |
|---|---|---|---|
| January | 13.3°C | 156.7mm | 9/10 |
| February | 15.6°C | 90.6mm | 10/10 |
| March | 16.3°C | 102.4mm | 9/10 |
| April | 17.8°C | 102.7mm | 9/10 |
| May | 20.6°C | 74.1mm | 10/10 |
| June | 21.5°C | 52.0mm | 10/10 |
| July | 24.5°C | 12.7mm | 10/10 |
| August | 23.9°C | 12.8mm | 10/10 |
| September | 23.3°C | 104.2mm | 9/10 |
| October | 20.6°C | 232.9mm | 8/10 |
| November | 16.8°C | 169.7mm | 9/10 |
| December | 14.4°C | 249.5mm | 8/10 |
Full month-by-month guide: best time to visit Porto →
For facts about Portugal — currency, language and dialling code — see our Portugal country guide at 247CountryInfo. Travellers also find it useful to keep a Porto travel guide to hand. Check clothing sizes in Portugal before you shop.
Frequently Asked Questions
Is August a good time to visit Porto?
August rates 10/10 for visiting Porto — excellent time to visit. Expect average highs of 23.9°C, 12.8mm of rain across the month and about 12.1 hours of daily sunshine.
What is the temperature in Porto in August?
In August, Porto has average highs of 23.9°C (75.0°F) and average lows of 16.3°C (61.3°F).
Does it rain in Porto in August?
Rarely. August is one of the driest times of year in Porto, averaging only 12.8mm of rain.
What should I wear in Porto in August?
For Porto in August (23.9°C highs / 16.3°C lows), pack light layers plus sunscreen, t-shirts and light trousers or shorts.
More essentials for Porto in August
Packing cubes
Keep the bag organised whatever the weather — compression cubes for every size.
Check Price →Travel first aid kit
Compact TSA-friendly kit for peace of mind wherever you travel.
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Climate data sourced from Open-Meteo (open source, open data licence). Monthly averages calculated from 2020–2023 historical data. Weather can be unpredictable — always check a live forecast before travelling.