Årstein
Norway
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Årstein, Norway

In January, the average sea temperature in Årstein, Norway, is 4.6°C (40.3°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in January »

In Årstein, Norway, in February, the average water temperature is 4°C (39.2°F). Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Weather in February »

With an average sea temperature of 3.7°C (38.7°F), March is the month with the coldest seawater in Årstein, Norway. Note: For swimming, this is considered life-threatening and very dangerous. Weather in March »

In Årstein, Norway, the average seawater temperature in April is 4.3°C (39.7°F). Note: For swimming, this is considered very dangerous and immediately life-threatening. Weather in April »

In Årstein, Norway, the average seawater temperature in May 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 May »

In Årstein, Norway, in June, the average water temperature is 9.7°C (49.5°F). Note: Swimming in 9.7°C (49.5°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 Årstein, Norway, in July, the average water temperature is 12.1°C (53.8°F). Note: Swimming in 12.1°C (53.8°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 »

With an average sea temperature of 12.3°C (54.1°F), August is the month with the warmest seawater in Årstein, Norway. Note: Swimming in 12.3°C (54.1°F) is considered life-threatening. Weather in August »

In Årstein, Norway, in September, the average water temperature is 10.8°C (51.4°F). Note: Swimming in 10.8°C (51.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in September »

In October, the average sea temperature in Årstein, Norway, is 8.6°C (47.5°F). Note: Swimming in 8.6°C (47.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in October »

In Årstein, Norway, the average seawater temperature in November is 7.4°C (45.3°F). Note: Swimming in 7.4°C (45.3°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 December, the average sea temperature in Årstein, Norway, is 6.2°C (43.2°F). Note: Swimming in 6.2°C (43.2°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 December »

When is the sea coldest in Årstein?

With an average sea temperature of 3.7°C (38.7°F), March is the month with the coldest seawater in Årstein, Norway.

When are the longest days in Årstein?

June has the longest days of the year in Årstein, with an average of 24h of daylight.

What month is the sea warmest in Årstein?

With an average sea temperature of 12.3°C (54.1°F), August is the month with the warmest seawater.

What is the month with the shortest days in Årstein?

December has the shortest days of the year, with an average of 0.1h of daylight.
Average sea temperature - Årstein, Norway

The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (3.7°C).

Average daylight - Årstein, Norway