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Donostia / San Sebastián in August

Find out everything about the water temperature in Donostia / San Sebastián 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:

69.8 °F

Average:

72.6 °F

Maximum:

76.5 °F

Sea water temperature in Donostia / San Sebastián in August

In the city of Donostia / San Sebastián, the month of August is somewhat comfortable for swimming. The minimum recorded temperature during this month was 69.8°F on August 25, 2015, with an average temperature being 72.6°F and a maximum temperature reaching 76.5°F on August 6, 2018.

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 72.6°F throughout the month, with minimal changes.
Date 10 years average 2023 2022
Aug 1 72.7°F 73.6°F 73.1°F
Aug 2 72.6°F 73.6°F 72.9°F
Aug 3 72.9°F 73.5°F 75.0°F
Aug 4 73.1°F 73.1°F 74.7°F
Aug 5 73.0°F 72.4°F 74.6°F
Aug 6 73.0°F 72.4°F 73.9°F
Aug 7 73.1°F 72.4°F 74.0°F
Aug 8 73.1°F 72.5°F 74.0°F
Aug 9 73.0°F 72.2°F 73.6°F
Aug 10 73.0°F 71.9°F 74.8°F
Aug 11 72.9°F 72.3°F 74.8°F
Aug 12 72.8°F 73.6°F 74.4°F
Aug 13 72.8°F 73.6°F 74.2°F
Aug 14 72.7°F 73.4°F 74.0°F
Aug 15 72.6°F 72.7°F 74.2°F
Aug 16 72.5°F 72.8°F 74.4°F
Aug 17 72.5°F 72.8°F 74.4°F
Aug 18 72.6°F 73.3°F 75.0°F
Aug 19 72.6°F 74.7°F 74.5°F
Aug 20 72.6°F 74.9°F 74.6°F
Aug 21 72.4°F 74.3°F 74.0°F
Aug 22 72.5°F 73.9°F 74.2°F
Aug 23 72.6°F 74.8°F 74.1°F
Aug 24 72.6°F 76.4°F 74.2°F
Aug 25 72.4°F 76.0°F 73.6°F
Aug 26 72.4°F 75.6°F 73.2°F
Aug 27 72.4°F 75.3°F 73.4°F
Aug 28 72.3°F 74.7°F 72.5°F
Aug 29 72.3°F 74.3°F 72.6°F
Aug 30 72.3°F 74.1°F 73.0°F
Aug 31 72.1°F 72.8°F 72.8°F

Sea water temperature in Donostia / San Sebastián by month

In an average year, Donostia / San Sebastián offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Donostia / San Sebastián was recorded on July 18, 2022, reaching a 77.3°F. While the coldest temperature occurred on February 26, 2018, dipping to 51.4°F. The average readings by season are 55.7°F in Winter, 57.3°F in Spring, 70.3°F in Summer, and 65.8°F in Autumn. In August, the temperature is higher than July's average of 71.3°F and September's average of 70.4°F.

Popular neighboring cities and resorts

City Water temperature* Distance**
Saint-Jean-de-Luz 59.6°F 17mi
Biarritz 59.5°F 24mi
Léon 58.9°F 52mi

* current water temperature in this city

** straight line distance from Donostia / San Sebastián