Rostrevor
United Kingdom
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Rostrevor, United Kingdom

In January, the average sea temperature in Rostrevor, United Kingdom, is 9.3°C (48.7°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 January »
In Rostrevor, United Kingdom, the average seawater temperature in February is 8.5°C (47.3°F). Note: Swimming in 8.5°C (47.3°F) is considered life-threatening. Weather in February »

With an average sea temperature of 8.3°C (46.9°F), March is the month with the coldest seawater in Rostrevor, United Kingdom. Note: Swimming in 8.3°C (46.9°F) is considered life-threatening. Weather in March »

In Rostrevor, United Kingdom, in April, the average water temperature is 8.9°C (48°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 Rostrevor, United Kingdom, in May, the average water temperature is 10.2°C (50.4°F). Note: Swimming in 10.2°C (50.4°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 May »

In June, the average sea temperature in Rostrevor, United Kingdom, 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 June »

In Rostrevor, United Kingdom, the average seawater temperature in July is 14°C (57.2°F). Note: Swimming in 14°C (57.2°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 July »

The month with the warmest seawater in Rostrevor, United Kingdom, is August, with an average sea temperature of 14.7°C (58.5°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 August »

In Rostrevor, United Kingdom, in September, the average water temperature is 14.6°C (58.3°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 September »

In Rostrevor, United Kingdom, in October, the average water temperature is 13.8°C (56.8°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 October »

In November, the average sea temperature in Rostrevor, United Kingdom, 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 November »

In Rostrevor, United Kingdom, in December, the average water temperature 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 December »

What is the month with the coldest sea water in Rostrevor?

With an average sea temperature of 8.3°C (46.9°F), March is the month with the coldest seawater.

When are the longest days in Rostrevor?

The month with the longest days in Rostrevor, United Kingdom, is June, with an average of 17.1h of daylight.

What month is the sea warmest in Rostrevor?

The month with the warmest seawater is August, with an average sea temperature of 14.7°C (58.5°F).

What is the month with the shortest days in Rostrevor?

December has the shortest days of the year in Rostrevor, with an average of 7.5h of daylight.
Average sea temperature - Rostrevor, United Kingdom

The best month for swimming (with the highest average sea temperature) is August (14.7°C).
The coldest month (with the lowest average sea temperature) is March (8.3°C).

Average daylight - Rostrevor, United Kingdom

The month with the longest days is June (Average daylight: 17.1h).
The month with shortest days is December (Average daylight: 7.5h).