Climate and monthly weather forecast
Weather in January
In Saint-Briac-sur-Mer, France, the average seawater temperature in January is 9°C (48.2°F). Note: Dipping in 9°C (48.2°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties. Weather in January »
Weather in February
February is the month with the coldest seawater in Saint-Briac-sur-Mer, France, with an average sea temperature of 8.7°C (47.7°F). Note: Danger awaits those who swim in 8.7°C (47.7°F) without protection. Weather in February »
Weather in March
In March, the average sea temperature in Saint-Briac-sur-Mer, France, is 8.8°C (47.8°F). Note: Navigating the 8.8°C (47.8°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina. Weather in March »
Weather in April
In April, the average sea temperature in Saint-Briac-sur-Mer, France, is 10.4°C (50.7°F). Note: Swimming in 10.4°C (50.7°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Weather in April »
Weather in May
In May, the average sea temperature in Saint-Briac-sur-Mer, France, is 12.6°C (54.7°F). Note: To swim in 12.6°C (54.7°F) at less than 10°C (50°F), ensure you're well-protected. Weather in May »
Weather in June
In Saint-Briac-sur-Mer, France, the average seawater temperature in June is 14.8°C (58.6°F). Note: You can swim in 14.8°C (58.6°F) below 10°C (50°F) with proper thermal wear; failing that, the cold shock and respiratory challenges are nearly certain. Weather in June »
Weather in July
In July, the average sea temperature in Saint-Briac-sur-Mer, France, is 16.4°C (61.5°F). Note: Most individuals do not find swimming at 16.4°C (61.5°F) to be enjoyable. Weather in July »
Weather in August
In Saint-Briac-sur-Mer, France, the average seawater temperature in August is 18°C (64.4°F). Note: In water with a temperature of 18°C (64.4°F), swimming is not a joy for most people. Weather in August »
Weather in September
September is the month with the warmest seawater in Saint-Briac-sur-Mer, France, with an average sea temperature of 18.2°C (64.8°F). Note: For most, swimming in 18.2°C (64.8°F) is not a pleasant activity. Weather in September »
Weather in October
In Saint-Briac-sur-Mer, France, in October, the average water temperature is 16.8°C (62.2°F). Note: Swimming in water that is 16.8°C (62.2°F) is not enjoyable for most. Weather in October »
Weather in November
In Saint-Briac-sur-Mer, France, the average seawater temperature in November is 14.8°C (58.6°F). Note: Beware of 14.8°C (58.6°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health. Weather in November »
Weather in December
In Saint-Briac-sur-Mer, France, the average seawater temperature in December is 11.9°C (53.4°F). Note: Immersing oneself in 11.9°C (53.4°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped. Weather in December »
Updated: Feb 2, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the month with the coldest sea water in Saint-Briac-sur-Mer?
February is the month with the coldest seawater, with an average sea temperature of 8.7°C (47.7°F).
When are the longest days in Saint-Briac-sur-Mer?
With an average of 16h and 6min of daylight, June has the longest days of the year in Saint-Briac-sur-Mer, France.
When is the sea warmest in Saint-Briac-sur-Mer?
The month with the warmest seawater in Saint-Briac-sur-Mer, France, is September, with an average sea temperature of 18.2°C (64.8°F).
When is Daylight Saving Time (DST) in Saint-Briac-sur-Mer?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Saint-Briac-sur-Mer, 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 Saint-Briac-sur-Mer?
The month with the shortest days is December, with an average of 8h and 24min of daylight.
Average sea temperature
Saint-Briac-sur-Mer, France
The best month for swimming (with the highest average sea temperature) is September (18.2°C).
The coldest month (with the lowest average sea temperature) is February (8.7°C).
Average daylight
Saint-Briac-sur-Mer, France
- Average daylight in January:
8h and 5min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 4min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 4min - Average daylight in August:
14h and 2min - Average daylight in September:
12h and 4min - Average daylight in October:
10h and 5min - Average daylight in November:
9h and 1min - Average daylight in December:
8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 24min).
