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Saint-Nazaire in August

Find out everything about the water temperature in Saint-Nazaire 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:

63.2 °F

Average:

66.8 °F

Maximum:

71.4 °F

Sea water temperature in Saint-Nazaire in August

In the city of Saint-Nazaire, the month of August is somewhat comfortable for swimming. The minimum recorded temperature during this month was 63.2°F on August 28, 2015, with an average temperature being 66.8°F and a maximum temperature reaching 71.4°F on August 11, 2020.

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 66.8°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Aug 1 67.3°F 69.5°F 66.5°F
Aug 2 67.2°F 69.3°F 66.6°F
Aug 3 67.2°F 69.3°F 66.5°F
Aug 4 67.2°F 68.3°F 65.0°F
Aug 5 67.1°F 68.1°F 65.4°F
Aug 6 67.2°F 67.7°F 65.2°F
Aug 7 67.2°F 67.9°F 65.2°F
Aug 8 67.3°F 68.7°F 65.9°F
Aug 9 67.1°F 67.8°F 65.8°F
Aug 10 67.0°F 67.6°F 67.3°F
Aug 11 67.0°F 67.7°F 68.0°F
Aug 12 67.0°F 67.6°F 67.4°F
Aug 13 67.0°F 67.6°F 67.5°F
Aug 14 66.9°F 67.6°F 67.6°F
Aug 15 66.8°F 67.5°F 67.5°F
Aug 16 66.9°F 69.7°F 67.4°F
Aug 17 66.8°F 69.1°F 67.9°F
Aug 18 66.5°F 67.3°F 68.0°F
Aug 19 66.5°F 65.9°F 68.1°F
Aug 20 66.7°F 66.6°F 69.3°F
Aug 21 66.8°F 67.2°F 69.3°F
Aug 22 66.9°F 66.5°F 69.1°F
Aug 23 66.8°F 66.2°F 69.5°F
Aug 24 67.0°F 66.3°F 71.2°F
Aug 25 66.5°F 66.5°F 69.9°F
Aug 26 66.4°F 66.1°F 69.7°F
Aug 27 66.2°F 66.3°F 68.1°F
Aug 28 66.1°F 67.3°F 67.9°F
Aug 29 66.2°F 67.3°F 68.0°F
Aug 30 66.2°F 66.9°F 66.7°F
Aug 31 65.8°F 66.0°F 66.4°F

Sea water temperature in Saint-Nazaire by month

In an average year, Saint-Nazaire offers no days when the water temperature is warm enough to swim comfortably. The warmest water in Saint-Nazaire was recorded on July 24, 2019, reaching a 73.0°F. While the coldest temperature occurred on February 2, 2022, dipping to 45.3°F. The average readings by season are 49.2°F in Winter, 54.2°F in Spring, 65.6°F in Summer, and 60.6°F in Autumn. In August, the temperature is higher than July's average of 66.5°F and September's average of 64.9°F.