Vila Nova de Gaia Weather in August
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 perfect conditions make it one of the better months to visit.
Rainfall in Vila Nova de Gaia in August
You can expect rain on around 6 days based on historical patterns, with 29 mm (1.1 in) average for the month. Rain is scarce this month and when it does fall, it tends to be light. Unlikely to disrupt plans significantly.
Temperature in Vila Nova de Gaia in August
August is a good time to be in Vila Nova de Gaia. Days are perfect, reaching 26°C (79°F), with nights around 18°C (64°F). August is a notable month of the summer season. This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows of 18°C (64°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest. On average, this month sees the highest temperatures of the year. Worth packing a few lighter outfits.
Sunshine in Vila Nova de Gaia in August
Expect sunny days throughout the month, with an estimated 295 hours of sunshine. This makes it a pleasant time to visit Vila Nova de Gaia.
Wind Speed in Vila Nova de Gaia in August
Wind speeds average 4 m/s (8 knots) during August. At this speed, expect moderate winds that can raise dust and move small branches. Since this is an average, some days have gentle light winds while others experience stronger breezes that are quite noticeable.
Average water temperature in August
At 18°C (64°F), the water is getting there — comfortable enough for most swimmers, though those used to warmer seas may still find it a touch cool.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Vila Nova de Gaia's climate page.
Vila Nova de Gaia Temperature in August
Min Temperature
18°C (64°F)
Max Temperature
26°C (79°F)
Water Temperature
18°C (64°F) *
Chance of Rain
18%
Precipitation
29 mm (1.1 in)
Rainy days
6 days
Humidity
73% *
Windspeed
4 m/s (8 knots) *
Sunshine
295 hours *
Percentage Sunshine
73% *
Daily Historical Temperatures
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).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Vila Nova de Gaia in August
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.
Vila Nova de Gaia historical weather extremes in August
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Vila Nova de Gaia.
- On August 7, 2003, temperatures climbed to 39°C (102°F), marking the warmest August day on record.
- The lowest daytime temperature in August was 18°C (64°F), recorded on August 13, 1993.
- The lowest overnight temperature recorded in August was 7°C (45°F) (August 26, 1985).
Best Places in Portugal in August
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
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What to Wear in Vila Nova de Gaia in August
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.What To Do in Vila Nova de Gaia in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Portugal, check out our Vila Nova de Gaia's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Vila Nova de Gaia climate overview or explore weather in Portugal.
