Langesund
Norway
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Langesund, Norway

In January, the average sea temperature in Langesund, Norway, is 4.3°C (39.7°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in January »

In Langesund, Norway, the average seawater temperature in February is 3.4°C (38.1°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in February »

March is the month with the coldest seawater in Langesund, Norway, with an average sea temperature of 2.8°C (37°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in March »

In Langesund, Norway, in April, the average water temperature is 6.6°C (43.9°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 April »

In Langesund, Norway, the average seawater temperature in May is 11.1°C (52°F). Note: Swimming in 11.1°C (52°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 Langesund, Norway, is 15.2°C (59.4°F). Note: Swimming in 15.2°C (59.4°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 June »

In Langesund, Norway, in July, the average water temperature 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 July »

The month with the warmest seawater in Langesund, Norway, is August, with an average sea temperature of 18.3°C (64.9°F). Note: Swimming in 18.3°C (64.9°F) is not enjoyable for the majority. Weather in August »

In Langesund, Norway, the average seawater temperature in September is 15.8°C (60.4°F). Note: For most, swimming in 15.8°C (60.4°F) is not an enjoyable activity. Weather in September »

In Langesund, Norway, the average seawater temperature in October is 12.2°C (54°F). Note: Swimming in 12.2°C (54°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 October »

In November, the average sea temperature in Langesund, Norway, is 9.2°C (48.6°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 November »

In Langesund, Norway, the average seawater temperature in December is 6.3°C (43.3°F). Note: Swimming in 6.3°C (43.3°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 »

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

The month with the coldest seawater is March, with an average sea temperature of 2.8°C (37°F).

When are the longest days in Langesund?

June has the longest days of the year in Langesund, with an average of 18.4h of daylight.

When is the sea warmest in Langesund?

With an average sea temperature of 18.3°C (64.9°F), August is the month with the warmest seawater in Langesund.

What is the month with the shortest days in Langesund?

The month with the shortest days in Langesund is December, with an average of 6.3h of daylight.
Average sea temperature - Langesund, Norway

The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

Average daylight - Langesund, Norway

The month with the longest days is June (Average daylight: 18.4h).
The month with shortest days is December (Average daylight: 6.3h).