Saint-Quay-Portrieux
France
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Saint-Quay-Portrieux, France

In January, the average sea temperature in Saint-Quay-Portrieux, France, is 9.4°C (48.9°F). Note: Swimming in 9.4°C (48.9°F) is considered life-threatening. Weather in January »
Months with the coldest seawater in Saint-Quay-Portrieux, France, are February and March, with an average sea temperature of 9°C (48.2°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 »

February and March, with an average sea temperature of 9°C (48.2°F), are months with the coldest seawater in Saint-Quay-Portrieux, France. 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 March »

In Saint-Quay-Portrieux, France, in April, the average water temperature is 10.6°C (51.1°F). Note: Swimming in 10.6°C (51.1°F) is considered life-threatening. Weather in April »

In Saint-Quay-Portrieux, France, in May, 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 May »

In Saint-Quay-Portrieux, France, in June, the average water temperature is 14.8°C (58.6°F). Note: Swimming in 14.8°C (58.6°F) is considered life-threatening. Weather in June »

In July, the average sea temperature in Saint-Quay-Portrieux, France, is 16.4°C (61.5°F). Note: For swimming, a surface water temperature of 16.4°C (61.5°F) is not enjoyable for the majority. Weather in July »

In Saint-Quay-Portrieux, France, the average seawater temperature in August is 17.8°C (64°F). Note: For swimming, a surface water temperature of 17.8°C (64°F) is not enjoyable for the majority. Weather in August »

The month with the warmest seawater in Saint-Quay-Portrieux, France, is September, with an average sea temperature of 18°C (64.4°F). Note: For swimming, a surface water temperature of 18°C (64.4°F) is not enjoyable for the majority. Weather in September »

In Saint-Quay-Portrieux, France, the average seawater temperature in October is 16.6°C (61.9°F). Note: For most, swimming in 16.6°C (61.9°F) is not an enjoyable activity. Weather in October »

In Saint-Quay-Portrieux, France, the average seawater temperature in November is 14.8°C (58.6°F). Note: Swimming in 14.8°C (58.6°F) is considered dangerous. Weather in November »

In Saint-Quay-Portrieux, France, in December, the average water temperature is 12.2°C (54°F). Note: Swimming in 12.2°C (54°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in December »

When is the sea coldest in Saint-Quay-Portrieux?

February and March, with an average sea temperature of 9°C (48.2°F), are months with the coldest seawater.

When are the longest days in Saint-Quay-Portrieux?

June has the longest days of the year in Saint-Quay-Portrieux, with an average of 16.1h of daylight.

When is the sea warmest in Saint-Quay-Portrieux?

With an average sea temperature of 18°C (64.4°F), September is the month with the warmest seawater in Saint-Quay-Portrieux.

What is the month with the shortest days in Saint-Quay-Portrieux?

December has the shortest days of the year, with an average of 8.4h of daylight.
Average sea temperature - Saint-Quay-Portrieux, France

The best month for swimming (with the highest average sea temperature) is September (18°C).
Coldest months (with the lowest average sea temperature) are February and March (9°C).

Average daylight - Saint-Quay-Portrieux, France

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