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Quarteira in August

Find out everything about the water temperature in Quarteira in August. Average, minimum and maximum recorded temperatures as well as daily temperature in August for the last two years. Compare the current month's sea temperature data with other months of the year.
Water temperature in August
Minimum:

61.9 °F

Average:

69.4 °F

Maximum:

77.0 °F

Sea water temperature in Quarteira in August

In the city of Quarteira, the month of August is somewhat comfortable for swimming. The minimum recorded temperature during this month was 61.9°F on August 4, 2023, with an average temperature being 69.4°F and a maximum temperature reaching 77.0°F on August 17, 2025.

While some may find it enjoyable for a brief swim, others might consider it a bit too cold for extended periods in the water. In August, the sea temperature remains relatively stable. The average temperature stays close to 69.4°F throughout the month, with minimal changes.
Date 10 years average 2025 2024
Aug 1 69.0°F 71.3°F 73.9°F
Aug 2 69.0°F 73.4°F 71.7°F
Aug 3 68.6°F 72.7°F 69.0°F
Aug 4 68.8°F 73.7°F 70.3°F
Aug 5 69.0°F 75.1°F 70.8°F
Aug 6 69.0°F 75.7°F 71.1°F
Aug 7 69.4°F 74.7°F 70.3°F
Aug 8 69.2°F 73.2°F 71.7°F
Aug 9 68.6°F 72.6°F 72.5°F
Aug 10 68.3°F 72.3°F 72.2°F
Aug 11 68.4°F 72.4°F 72.4°F
Aug 12 69.2°F 75.2°F 73.2°F
Aug 13 69.2°F 75.3°F 73.2°F
Aug 14 68.9°F 76.2°F 72.9°F
Aug 15 69.0°F 75.8°F 72.9°F
Aug 16 69.2°F 76.0°F 69.9°F
Aug 17 69.3°F 77.0°F 70.6°F
Aug 18 69.2°F 76.9°F 70.3°F
Aug 19 69.3°F 74.8°F 70.2°F
Aug 20 69.5°F 72.7°F 70.3°F
Aug 21 69.4°F 71.2°F 72.0°F
Aug 22 69.5°F 68.8°F 72.5°F
Aug 23 69.9°F 68.5°F 71.5°F
Aug 24 70.1°F 69.0°F 71.7°F
Aug 25 70.2°F 69.0°F 71.8°F
Aug 26 70.4°F 69.3°F 70.3°F
Aug 27 70.5°F 70.3°F 72.1°F
Aug 28 70.4°F 69.7°F 72.4°F
Aug 29 70.4°F 68.9°F 72.2°F
Aug 30 70.2°F 68.7°F 71.7°F
Aug 31 69.8°F 68.4°F 71.5°F

Sea water temperature in Quarteira by month

In an average year, Quarteira offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Quarteira was recorded on August 17, 2025, reaching a 77.0°F. While the coldest temperature occurred on February 14, 2018, dipping to 56.6°F. The average readings by season are 60.6°F in Winter, 61.4°F in Spring, 68.0°F in Summer, and 67.1°F in Autumn. In August, the temperature is higher than July's average of 68.3°F and September's average of 69.1°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Santa Luzia 70.7°F 24mi
Alvor 67.0°F 27mi
Lagos 65.8°F 32mi

* current water temperature in this city

** straight line distance from Quarteira