Sandefjord
Norway
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Sandefjord, Norway

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

In Sandefjord, Norway, the average seawater temperature in February is 3.3°C (37.9°F). Note: For swimming, this is considered life-threatening and very dangerous. Weather in February »

The month with the coldest seawater in Sandefjord, Norway, is March, 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 April, the average sea temperature in Sandefjord, Norway, is 6.4°C (43.5°F). Note: Swimming in 6.4°C (43.5°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in April »

In Sandefjord, Norway, in May, the average water temperature is 11.3°C (52.3°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 May »

In Sandefjord, Norway, the average seawater temperature in June is 15.3°C (59.5°F). Note: Swimming in 15.3°C (59.5°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 Sandefjord, Norway, the average seawater temperature in July is 17.8°C (64°F). Note: Swimming in 17.8°C (64°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 July »

With an average sea temperature of 18.4°C (65.1°F), August is the month with the warmest seawater in Sandefjord, Norway. Note: For most, swimming in 18.4°C (65.1°F) is not an enjoyable activity. Weather in August »

In September, the average sea temperature in Sandefjord, Norway, is 15.8°C (60.4°F). Note: Swimming in 15.8°C (60.4°F) is not enjoyable for the majority. Weather in September »

In Sandefjord, Norway, in October, the average water temperature is 12.1°C (53.8°F). Note: Swimming in 12.1°C (53.8°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 Sandefjord, Norway, the average seawater temperature in November is 9.2°C (48.6°F). Note: Swimming in 9.2°C (48.6°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 November »

In Sandefjord, Norway, in December, the average water temperature is 6.3°C (43.3°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 December »

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

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

When are the longest days in Sandefjord?

With an average of 18.4h of daylight, June has the longest days of the year in Sandefjord.

What month is the sea warmest in Sandefjord?

The month with the warmest seawater in Sandefjord is August, with an average sea temperature of 18.4°C (65.1°F).

What is the month with the shortest days in Sandefjord?

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

The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (2.8°C).

Average daylight - Sandefjord, Norway

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