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Vila Nova de Gaia in August sees high temperatures, with highs around 26°C (79°F) and overnight lows of 18°C (64°F). Overall excellent conditions make it one of the better months to visit.
So this is a great month to visit if you prefer dry days with pleasant temperatures.
Pick a month to see the average temperature, rainfall and sunshine in Vila Nova de Gaia - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Vila Nova de Gaia typically stay consistent throughout August, with daily highs averaging around 26°C (79°F). Nights are pleasant, with lows around 15°C (59°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Vila Nova de Gaia spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on 50 years of weather observations (1976-2026), these are the most extreme conditions recorded in Vila Nova de Gaia.
Find out more about the weather in Portugal and which places have the best travel conditions in this month. See all of Portugal in August →
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
Warm but pleasant conditions in Vila Nova de Gaia in August. Focus on lightweight, maybe with natural fabrics, cotton blend shirts, comfortable shorts, and breathable footwear. A light cover-up for sun protection is smart too. Light rain is possible, so consider bringing a small umbrella or rain jacket. With water temperatures around 18°C (64°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Vila Nova de Gaia climate overview or explore weather in Portugal.
Where to go in August - average daytime high across popular destinations.
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