Folkestone
United Kingdom
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Folkestone, United Kingdom

In Folkestone, United Kingdom, the average seawater temperature in January is 8°C (46.4°F). Note: Swimming in 8°C (46.4°F) is considered life-threatening. Weather in January »
In Folkestone, United Kingdom, the average seawater temperature in February is 8°C (46.4°F). Note: Swimming in 8°C (46.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in February »

With an average sea temperature of 7.5°C (45.5°F), March is the month with the coldest seawater in Folkestone, United Kingdom. Note: Swimming in 7.5°C (45.5°F) is considered life-threatening. Weather in March »

In Folkestone, United Kingdom, the average seawater temperature in April is 9.3°C (48.7°F). Note: Swimming in 9.3°C (48.7°F) is considered life-threatening. Weather in April »

In Folkestone, United Kingdom, the average seawater temperature in May is 11.6°C (52.9°F). Note: Swimming in 11.6°C (52.9°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 Folkestone, United Kingdom, the average seawater temperature in June is 14.1°C (57.4°F). Note: Swimming in 14.1°C (57.4°F) is considered life-threatening. Weather in June »

In July, the average sea temperature in Folkestone, United Kingdom, is 16°C (60.8°F). Note: For swimming, a surface water temperature of 16°C (60.8°F) is not enjoyable for the majority. Weather in July »

In August, the average sea temperature in Folkestone, United Kingdom, is 17.6°C (63.7°F). Note: For swimming, a surface water temperature of 17.6°C (63.7°F) is not enjoyable for the majority. Weather in August »

The month with the warmest seawater in Folkestone, United Kingdom, is September, with an average sea temperature of 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 September »

In October, the average sea temperature in Folkestone, United Kingdom, is 16.2°C (61.2°F). Note: Swimming in 16.2°C (61.2°F) is not enjoyable for the majority. Weather in October »

In November, the average sea temperature in Folkestone, United Kingdom, is 14.3°C (57.7°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 November »

In Folkestone, United Kingdom, the average seawater temperature in December is 11.1°C (52°F). Note: Swimming in 11.1°C (52°F) is considered life-threatening. Weather in December »

What month is the sea coldest in Folkestone?

March is the month with the coldest seawater, with an average sea temperature of 7.5°C (45.5°F).

When are the longest days in Folkestone?

With an average of 16.5h of daylight, June has the longest days of the year.

What month is the sea warmest in Folkestone?

The month with the warmest seawater is September, with an average sea temperature of 17.8°C (64°F).

What is the month with the shortest days in Folkestone?

December has the shortest days of the year, with an average of 8h of daylight.
Average sea temperature - Folkestone, United Kingdom

The best month for swimming (with the highest average sea temperature) is September (17.8°C).
The coldest month (with the lowest average sea temperature) is March (7.5°C).

Average daylight - Folkestone, United Kingdom