Roscoff
France
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Roscoff, France

In Roscoff, France, the average seawater temperature in January is 10.9°C (51.6°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 January »
In Roscoff, France, the average seawater temperature in February is 10.3°C (50.5°F). Note: Swimming in 10.3°C (50.5°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 February »

March is the month with the coldest seawater in Roscoff, France, with an average sea temperature of 9.9°C (49.8°F). Note: Swimming in 9.9°C (49.8°F) is considered life-threatening. Weather in March »

In Roscoff, France, in April, the average water temperature is 10.9°C (51.6°F). Note: Swimming in 10.9°C (51.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in April »

In Roscoff, France, in May, the average water temperature is 12.4°C (54.3°F). Note: Swimming in 12.4°C (54.3°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 Roscoff, France, is 14.2°C (57.6°F). Note: Swimming in 14.2°C (57.6°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in June »

In Roscoff, France, the average seawater temperature in July is 15.9°C (60.6°F). Note: For most, swimming in 15.9°C (60.6°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F). Weather in July »

August is the month with the warmest seawater in Roscoff, France, with an average sea temperature of 16.9°C (62.4°F). Note: For swimming, a surface water temperature of 16.9°C (62.4°F) is not enjoyable for the majority. Weather in August »

In Roscoff, France, in September, the average water temperature is 16.2°C (61.2°F). Note: Swimming in 16.2°C (61.2°F) is not enjoyable for the majority. Weather in September »

In Roscoff, France, the average seawater temperature in October is 15.1°C (59.2°F). Note: For most, swimming in 15.1°C (59.2°F) is not an enjoyable activity. Weather in October »

In Roscoff, France, the average seawater temperature in November is 14.1°C (57.4°F). Note: Swimming in 14.1°C (57.4°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 Roscoff, France, the average seawater temperature in December is 12.7°C (54.9°F). Note: Swimming in 12.7°C (54.9°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 December »

When is the sea coldest in Roscoff?

March is the month with the coldest seawater, with an average sea temperature of 9.9°C (49.8°F).

When are the longest days in Roscoff?

June has the longest days of the year in Roscoff, France, with an average of 16.1h of daylight.

What is the month with the warmest sea water in Roscoff?

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

What is the month with the shortest days in Roscoff?

With an average of 8.4h of daylight, December has the shortest days of the year in Roscoff, France.
Average sea temperature - Roscoff, 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 (9.9°C).

Average daylight - Roscoff, France

The month with the longest days is June (Average daylight: 16.1h).
The month with shortest days is December (Average daylight: 8.4h).