Quarteira Weather in August
August in Quarteira sees daytime temperatures around 28°C (82°F) and lows of 20°C (68°F) at night. The perfect weather makes it a good time to visit.
Rainfall in Quarteira in August
Historically, the month has about a single day of rain, averaging 2.7 mm (0.1 in) in total. Any rain that does arrive is likely to be light drizzle rather than a proper shower.
Temperature in Quarteira in August
August is a good time to be in Quarteira. Days are perfect, reaching 28°C (82°F), with nights around 20°C (68°F). The summer season takes place during August. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 20°C (68°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping. This is typically the warmest month of the year, so light summer clothing is a good idea.
Sunshine in Quarteira in August
The days are predominantly sunny, with an estimated total of around 344 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Quarteira in August
Wind speeds average 3 m/s (6 knots) during August. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in August
The water is 20°C (68°F) this month — a comfortable temperature that most swimmers enjoy. Warm enough to stay in without getting cold quickly.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 Quarteira's climate page.
Quarteira Temperature in August
Min Temperature
20°C (68°F)
Max Temperature
28°C (82°F)
Water Temperature
20°C (68°F) *
Chance of Rain
3%
Precipitation
2.7 mm (0.1 in)
Rainy days
a single day
Humidity
60% *
Windspeed
3 m/s (6 knots) *
Sunshine
344 hours *
Percentage Sunshine
82% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Quarteira typically stay consistent throughout August, with daily highs averaging around 28°C (82°F). Nights are pleasant, with lows around 20°C (68°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 Quarteira in August
Browse day-by-day weather records for Quarteira spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Quarteira historical weather extremes in August
Our historical data for Quarteira spans 1976 to 2025, revealing these weather extremes.
- The hottest August day on record in Quarteira reached 39°C (102°F) (August 1, 2003).
- The coldest August day was on August 25, 2002, with a maximum of 21°C (70°F).
- The lowest overnight temperature recorded in August was 13°C (55°F) (August 29, 1986).
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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unpleasant
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What to Wear in Quarteira in August
Warm but pleasant conditions in Quarteira 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. Dry conditions mean you won't need to worry about rain protection. With water temperatures around 20°C (68°F), swimming conditions are excellent. Pack your swimsuit, goggles, and maybe some water shoes. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.What To Do in Quarteira 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 Quarteira's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Quarteira climate overview or explore weather in Portugal.
