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Arcos de Valdevez Weather in August
August in Arcos de Valdevez brings high temperatures, with daytime highs of 26°C (79°F) and nights around 15°C (59°F). The excellent weather makes it a solid choice for a visit.
Rainfall in Arcos de Valdevez in August
Historically, August sees about 7 days of rain, with a monthly average of 54 mm (2.1 in). When rain does fall this month, it tends to come down hard. The low number of rain days makes each shower more significant.
Temperature in Arcos de Valdevez in August
Arcos de Valdevez has excellent weather in August, with days reaching 26°C (79°F) and nights cooling to 15°C (59°F). August is a notable month of the summer season. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. With lows of 15°C (59°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 Arcos de Valdevez in August
Expect sunny days throughout the month, with an estimated 297 hours of sunshine. This makes it a pleasant time to visit Arcos de Valdevez.If you're inclined towards comfortable temperatures and drier conditions, August is a good time to visit Arcos de Valdevez.
Arcos de Valdevez Temperature in August
Min Temperature
15°C (59°F)
Max Temperature
26°C (79°F)
Chance of Rain
22%
Precipitation
54 mm (2.1 in)
Rainy days
7 days
Humidity
71% *
Sunshine
297 hours *
Percentage Sunshine
*
* Data from: Vigo, Spain (46 KM, 28 Miles).
Arcos de Valdevez Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Arcos de Valdevez - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Arcos de Valdevez 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 records for Arcos de Valdevez in August
Browse day-by-day weather records for Arcos de Valdevez spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Arcos de Valdevez historical weather extremes in August
According to our 50 years of weather records for Arcos de Valdevez, the following extremes were recorded between 1976 and 2026.
- On August 7, 2016, temperatures climbed to 38°C (100°F), marking the warmest August day on record.
- The coldest August day was on August 16, 2006, with a maximum of 16°C (61°F).
- Arcos de Valdevez registered its coldest August night on August 26, 1985, with temperatures dropping to 7°C (45°F).
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
pleasant
tolerable
unpleasant
poor
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).
What to Wear in Arcos de Valdevez in August
Warm temperatures in August make for comfortable sightseeing weather. Pack breathable fabrics like cotton shirts, knee-length shorts or skirts, and comfortable walking shoes. A thin long sleeve for indoor spaces is handy. Rain gear is recommended, you can expect wet weather on multiple days. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.
What To Do in Arcos de Valdevez in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming10/10 -
Cycling8/10 -
Walking8/10 -
Barbeque10/10 -
Camping8/10 -
Outdoor sports8/10
Arcos de Valdevez 3-Day Forecast
More climate data for Arcos de Valdevez
Temperature Rainfall Sunshine Humidity
See the full Arcos de Valdevez climate overview or explore weather in Portugal.
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