Weather in January
In Batz-sur-Mer, France, the average seawater temperature in January is 9.8°C (49.6°F). Note: Without suitable protection, venturing into 9.8°C (49.6°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths. Weather in January »
Weather in February
February is the month with the coldest seawater in Batz-sur-Mer, France, with an average sea temperature of 9.7°C (49.5°F). Note: Diving into 9.7°C (49.5°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Weather in February »
Weather in March
In Batz-sur-Mer, France, in March, the average water temperature is 9.9°C (49.8°F). Note: With the appropriate swimsuit, one can swim in 9.9°C (49.8°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. Weather in March »
Weather in April
In Batz-sur-Mer, France, the average seawater temperature in April is 12.3°C (54.1°F). Note: You can swim in 12.3°C (54.1°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. Weather in April »
Weather in May
In Batz-sur-Mer, France, the average seawater temperature in May is 14.6°C (58.3°F). Note: Swimming in 14.6°C (58.3°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity. Weather in May »
Weather in June
In Batz-sur-Mer, France, in June, the average water temperature is 16.8°C (62.2°F). Note: Most people do not take pleasure in swimming in water at 16.8°C (62.2°F). Weather in June »
Weather in July
In July, the average sea temperature in Batz-sur-Mer, France, is 17.8°C (64°F). Note: Most people do not enjoy swimming in water of 17.8°C (64°F). Breathing control becomes harder as the temperature descends from 21°C (69.8°F) to 15°C (59°F). Weather in July »
Weather in August
The month with the warmest seawater in Batz-sur-Mer, France, is August, with an average sea temperature of 18.8°C (65.8°F). Note: Swimming is not a pleasurable activity for the majority in water at 18.8°C (65.8°F). Weather in August »
Weather in September
In Batz-sur-Mer, France, in September, the average water temperature is 18.5°C (65.3°F). Note: Swimming is not a pleasant activity for most individuals in 18.5°C (65.3°F). Weather in September »
Weather in October
In Batz-sur-Mer, France, in October, the average water temperature is 16.9°C (62.4°F). Note: Swimming in water at 16.9°C (62.4°F) is not a pleasing experience for the majority. Weather in October »
Weather in November
In Batz-sur-Mer, France, in November, the average water temperature is 15.3°C (59.5°F). Note: In water of 15.3°C (59.5°F), the majority of people do not enjoy swimming. Weather in November »
Weather in December
In December, the average sea temperature in Batz-sur-Mer, France, is 12.8°C (55°F). Note: One needs to be cautious in 12.8°C (55°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being. Weather in December »
[Resources]Frequently asked questions
What month is the sea coldest in Batz-sur-Mer?
February is the month with the coldest seawater in Batz-sur-Mer, France, with an average sea temperature of 9.7°C (49.5°F).
When are the longest days in Batz-sur-Mer?
The month with the longest days in Batz-sur-Mer, France, is June, with an average of 15h and 54min of daylight.
What month is the sea warmest in Batz-sur-Mer?
The month with the warmest seawater in Batz-sur-Mer, France, is August, with an average sea temperature of 18.8°C (65.8°F).
When is Daylight Saving Time (DST) in Batz-sur-Mer?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Batz-sur-Mer, France, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
What is the month with the shortest days in Batz-sur-Mer?
With an average of 8h and 36min of daylight, December has the shortest days of the year.
Average sea temperature
Batz-sur-Mer, France
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (9.7°C).
Average daylight
Batz-sur-Mer, France
- Average daylight in January:
9h and 0min - Average daylight in February:
10h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 1min - Average daylight in June:
15h and 5min
- Average daylight in July:
15h and 3min - Average daylight in August:
14h and 1min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 2min - Average daylight in December:
8h and 4min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 36min).
Batz-sur-Mer, France
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