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Saint-Nazaire in July

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

62.9 °F

Average:

66.5 °F

Maximum:

73.0 °F

Sea water temperature in Saint-Nazaire in July

In the city of Saint-Nazaire, the month of July is somewhat comfortable for swimming. The minimum recorded temperature during this month was 62.9°F on July 2, 2017, with an average temperature being 66.5°F and a maximum temperature reaching 73.0°F on July 24, 2019.

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 July, the sea temperature remains relatively stable. The average temperature stays close to 66.5°F throughout the month, with minimal changes.
Date 10 years average 2024 2023
Jul 1 65.5°F 67.4°F 66.1°F
Jul 2 65.4°F 66.5°F 65.4°F
Jul 3 65.4°F 65.9°F 65.2°F
Jul 4 65.7°F 65.6°F 65.5°F
Jul 5 65.9°F 66.7°F 65.8°F
Jul 6 65.7°F 66.8°F 65.1°F
Jul 7 66.0°F 66.3°F 65.7°F
Jul 8 66.2°F 66.1°F 67.7°F
Jul 9 66.2°F 65.7°F 66.8°F
Jul 10 66.2°F 65.2°F 66.6°F
Jul 11 66.3°F 66.1°F 67.9°F
Jul 12 66.1°F 65.4°F 67.7°F
Jul 13 66.0°F 64.8°F 67.4°F
Jul 14 66.1°F 66.1°F 68.1°F
Jul 15 66.3°F 66.1°F 68.8°F
Jul 16 66.2°F 64.6°F 68.3°F
Jul 17 66.7°F 66.3°F 66.4°F
Jul 18 67.2°F 67.0°F 67.6°F
Jul 19 67.4°F 67.2°F 69.0°F
Jul 20 67.0°F 66.3°F 67.7°F
Jul 21 67.2°F 66.6°F 67.6°F
Jul 22 67.3°F 66.2°F 67.8°F
Jul 23 67.2°F 66.0°F 68.0°F
Jul 24 67.5°F 67.4°F 67.7°F
Jul 25 67.4°F 67.0°F 67.2°F
Jul 26 67.4°F 66.5°F 68.2°F
Jul 27 67.3°F 66.2°F 67.8°F
Jul 28 67.1°F 65.9°F 67.5°F
Jul 29 66.9°F 67.6°F 67.5°F
Jul 30 67.0°F 68.5°F 67.2°F
Jul 31 67.4°F 69.7°F 66.6°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. The average temperature in July is slightly warmer than June's average of 63.5°F. And in August, the temperature is expected to rise further, potentially reaching an average of 66.8°F.