Cayeux-sur-Mer
France
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Cayeux-sur-Mer, France

In Cayeux-sur-Mer, France, in January, the average water temperature is 8.2°C (46.8°F). Note: Swimming in 8.2°C (46.8°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in January »

In February, the average sea temperature in Cayeux-sur-Mer, France, is 8.3°C (46.9°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in February »

With an average sea temperature of 7.9°C (46.2°F), March is the month with the coldest seawater in Cayeux-sur-Mer, France. Note: Swimming in 7.9°C (46.2°F) is considered life-threatening. Weather in March »

In Cayeux-sur-Mer, France, the average seawater temperature in April is 9.8°C (49.6°F). Note: Swimming in 9.8°C (49.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in April »

In Cayeux-sur-Mer, France, the average seawater temperature in May is 11.9°C (53.4°F). Note: Swimming in 11.9°C (53.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in May »

In Cayeux-sur-Mer, France, in June, the average water temperature is 14.2°C (57.6°F). Note: Swimming in 14.2°C (57.6°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique. Weather in June »

In July, the average sea temperature in Cayeux-sur-Mer, France, is 16.3°C (61.3°F). Note: For swimming, a surface water temperature of 16.3°C (61.3°F) is not enjoyable for the majority. Weather in July »

Months with the warmest seawater in Cayeux-sur-Mer, France, are August and September, with an average sea temperature of 17.8°C (64°F). Note: Swimming in 17.8°C (64°F) is not enjoyable for the majority. Weather in August »

August and September, with an average sea temperature of 17.8°C (64°F), are months with the warmest seawater in Cayeux-sur-Mer, France. Note: Swimming in 17.8°C (64°F) is not enjoyable for the majority. Weather in September »

In Cayeux-sur-Mer, France, in October, the average water temperature is 16.3°C (61.3°F). Note: For swimming, a surface water temperature of 16.3°C (61.3°F) is not enjoyable for the majority. Weather in October »

In November, the average sea temperature in Cayeux-sur-Mer, France, is 14.4°C (57.9°F). Note: Swimming in 14.4°C (57.9°F) is considered life-threatening. Weather in November »

In December, the average sea temperature in Cayeux-sur-Mer, France, is 11.4°C (52.5°F). Note: At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Weather in December »

What month is the sea coldest in Cayeux-sur-Mer?

With an average sea temperature of 7.9°C (46.2°F), March is the month with the coldest seawater in Cayeux-sur-Mer.

When are the longest days in Cayeux-sur-Mer?

June has the longest days of the year, with an average of 16.3h of daylight.

When is the sea warmest in Cayeux-sur-Mer?

August and September, with an average sea temperature of 17.8°C (64°F), are months with the warmest seawater in Cayeux-sur-Mer, France.

What is the month with the shortest days in Cayeux-sur-Mer?

The month with the shortest days in Cayeux-sur-Mer, France, is December, with an average of 8.1h of daylight.
Average sea temperature - Cayeux-sur-Mer, France

Best months for swimming (with the highest average sea temperature) are August and September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (7.9°C).

Average daylight - Cayeux-sur-Mer, France

The month with the longest days is June (Average daylight: 16.3h).
The month with shortest days is December (Average daylight: 8.1h).