Roscanvel
France
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Roscanvel, France

In January, the average sea temperature in Roscanvel, France, is 11.2°C (52.2°F). Note: Swimming in 11.2°C (52.2°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 Roscanvel, France, the average seawater temperature in February is 10.5°C (50.9°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 10.3°C (50.5°F), March is the month with the coldest seawater in Roscanvel, France. Note: Swimming in 10.3°C (50.5°F) is considered dangerous. Weather in March »

In April, the average sea temperature in Roscanvel, France, is 11.3°C (52.3°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 April »

In Roscanvel, France, the average seawater temperature in May is 13.1°C (55.6°F). Note: Swimming in 13.1°C (55.6°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 June, the average sea temperature in Roscanvel, France, is 14.7°C (58.5°F). Note: Swimming in 14.7°C (58.5°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 Roscanvel, France, is 16.2°C (61.2°F). Note: For swimming, a surface water temperature of 16.2°C (61.2°F) is not enjoyable for the majority. Weather in July »

The month with the warmest seawater in Roscanvel, France, is August, with an average sea temperature of 16.9°C (62.4°F). Note: Swimming in 16.9°C (62.4°F) is not enjoyable for the majority. Weather in August »

In Roscanvel, France, in September, 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 September »

In Roscanvel, France, in October, the average water temperature is 15.1°C (59.2°F). Note: Swimming in 15.1°C (59.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F). Weather in October »

In Roscanvel, France, in November, the average water temperature is 14.3°C (57.7°F). Note: Swimming in 14.3°C (57.7°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in November »

In Roscanvel, France, in December, the average water temperature is 12.8°C (55°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 is the month with the coldest sea water in Roscanvel?

The month with the coldest seawater is March, with an average sea temperature of 10.3°C (50.5°F).

When are the longest days in Roscanvel?

The month with the longest days in Roscanvel, France, is June, with an average of 16h of daylight.

When is the sea warmest in Roscanvel?

The month with the warmest seawater in Roscanvel, France, is August, with an average sea temperature of 16.9°C (62.4°F).

What is the month with the shortest days in Roscanvel?

With an average of 8.4h of daylight, December has the shortest days of the year in Roscanvel, France.
Average sea temperature - Roscanvel, France

The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (10.3°C).

Average daylight - Roscanvel, France

The month with the longest days is June (Average daylight: 16h).
The month with the shortest days is December (Average daylight: 8.4h).