Weather in January
In Courseulles-sur-Mer, France, in January, the average water temperature is 9.2°C (48.6°F). Note: Swimming in 9.2°C (48.6°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Weather in January »
Weather in February
In Courseulles-sur-Mer, France, the average seawater temperature in February is 8.7°C (47.7°F). Note: With an efficient thermal swimsuit, one can navigate 8.7°C (47.7°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Weather in February »
Weather in March
March is the month with the coldest seawater in Courseulles-sur-Mer, France, with an average sea temperature of 8.6°C (47.5°F). Note: Swimming in 8.6°C (47.5°F) can be lethal. Weather in March »
Weather in April
In Courseulles-sur-Mer, France, the average seawater temperature in April is 10.1°C (50.2°F). Note: Swimming in 10.1°C (50.2°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 Courseulles-sur-Mer, France, is 12.1°C (53.8°F). Note: Dipping into 12.1°C (53.8°F) below 10°C (50°F) is possible with the right protection; absent that, anticipate cold shock and hampered breathing. Weather in May »
Weather in June
In Courseulles-sur-Mer, France, in June, the average water temperature is 14.6°C (58.3°F). Note: Danger awaits those who swim in 14.6°C (58.3°F) without protection. Weather in June »
Weather in July
In Courseulles-sur-Mer, France, in July, the average water temperature is 16.3°C (61.3°F). Note: Swimming is not a pleasurable activity for most people when the water temperature is 16.3°C (61.3°F). Weather in July »
Weather in August
In August, the average sea temperature in Courseulles-sur-Mer, France, is 17.8°C (64°F). Note: The majority of individuals do not enjoy swimming in water that is 17.8°C (64°F). Weather in August »
Weather in September
With an average sea temperature of 18°C (64.4°F), September is the month with the warmest seawater in Courseulles-sur-Mer, France. Note: In water with a temperature of 18°C (64.4°F), swimming is not a joy for most people. Weather in September »
Weather in October
In October, the average sea temperature in Courseulles-sur-Mer, France, is 16.6°C (61.9°F). Note: For the majority of people, swimming in water at 16.6°C (61.9°F) is not enjoyable. Weather in October »
Weather in November
In Courseulles-sur-Mer, France, the average seawater temperature in November is 14.5°C (58.1°F). Note: Swimming in 14.5°C (58.1°F) is deemed hazardous. Weather in November »
Weather in December
In Courseulles-sur-Mer, France, the average seawater temperature in December is 11.8°C (53.2°F). Note: Diving into 11.8°C (53.2°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation. Weather in December »
[Resources]Frequently asked questions
What is the month with the coldest sea water in Courseulles-sur-Mer?
The month with the coldest seawater in Courseulles-sur-Mer, France, is March, with an average sea temperature of 8.6°C (47.5°F).
When are the longest days in Courseulles-sur-Mer?
With an average of 16h and 12min of daylight, June has the longest days of the year.
What is the month with the warmest sea water in Courseulles-sur-Mer?
September is the month with the warmest seawater in Courseulles-sur-Mer, with an average sea temperature of 18°C (64.4°F).
When is Daylight Saving Time (DST) in Courseulles-sur-Mer?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Courseulles-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 Courseulles-sur-Mer?
With an average of 8h and 18min of daylight, December has the shortest days of the year.
Average sea temperature
Courseulles-sur-Mer, France
The best month for swimming (with the highest average sea temperature) is September (18°C).
The coldest month (with the lowest average sea temperature) is March (8.6°C).
Average daylight
Courseulles-sur-Mer, France
- Average daylight in January:
8h and 4min - Average daylight in February:
10h and 1min - Average daylight in March:
11h and 5min - Average daylight in April:
13h and 5min - Average daylight in May:
15h and 2min - Average daylight in June:
16h and 1min
- Average daylight in July:
15h and 5min - 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 12min).
The month with the shortest days is December (Average daylight: 8h and 18min).
Courseulles-sur-Mer, France
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