Climate and monthly weather forecastJustvik, Norway
Climate and monthly weather forecast
Weather in January
In Justvik, Norway, the average seawater temperature in January is 5.2°C (41.4°F). Note: In 5.2°C (41.4°F), even brief exposure to 13°C (55.4°F) feels biting, and anything less than 10°C (50°F) risks cold shock and impaired breathing, considering one's health. Weather in January »Weather in February
In February, the average sea temperature in Justvik, Norway, is 4.3°C (39.7°F). Note: In the sport of swimming, this scenario is extremely cold, treacherous, and fatal. Weather in February »Weather in March
The month with the coldest seawater in Justvik, Norway, is March, with an average sea temperature of 3.8°C (38.8°F). Note: When swimming, this is deemed life-endangering and extremely risky. Weather in March »Weather in April
In April, the average sea temperature in Justvik, Norway, is 6.6°C (43.9°F). Note: Swimming in 6.6°C (43.9°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity. Weather in April »Weather in May
In May, the average sea temperature in Justvik, Norway, is 10.5°C (50.9°F). Note: Swimming in 10.5°C (50.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in May »Weather in June
In June, the average sea temperature in Justvik, Norway, is 14.3°C (57.7°F). Note: Entering waters of 14.3°C (57.7°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience. Weather in June »Weather in July
In July, the average sea temperature in Justvik, Norway, is 16.8°C (62.2°F). Note: Swimming in 16.8°C (62.2°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 »Weather in August
The month with the warmest seawater in Justvik, Norway, is August, with an average sea temperature of 17.8°C (64°F). Note: In 17.8°C (64°F), swimming is not an enjoyable activity for most. Weather in August »Weather in September
In Justvik, Norway, in September, the average water temperature is 15.8°C (60.4°F). Note: For most, swimming in 15.8°C (60.4°F) is not a pleasant experience. Weather in September »Weather in October
In Justvik, Norway, the average seawater temperature in October is 12.3°C (54.1°F). Note: Navigating the 12.3°C (54.1°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina. Weather in October »Weather in November
In Justvik, Norway, the average seawater temperature in November is 10.1°C (50.2°F). Note: Swimming in 10.1°C (50.2°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation. Weather in November »Weather in December
In Justvik, Norway, in December, the average water temperature is 7.3°C (45.1°F). Note: Caution: 7.3°C (45.1°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing. Weather in December »Updated: Jan 27, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
With an average sea temperature of 3.8°C (38.8°F), March is the month with the coldest seawater.
The month with the longest days is June, with an average of 18h and 6min of daylight.
The month with the warmest seawater in Justvik, Norway, is August, with an average sea temperature of 17.8°C (64°F).
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Justvik, Norway, and the time zone changes from CEST to CET. The next Daylight Saving Time starts on Sunday, 30. March 2025, at 02:00, and the time zone reverts from CET to CEST.
The month with the shortest days in Justvik is December, with an average of 6h and 36min of daylight.
Average sea temperature
Justvik, Norway
The best month for swimming (with the highest average sea temperature) is August (17.8°C).
The coldest month (with the lowest average sea temperature) is March (3.8°C).
Average daylight
Justvik, Norway
- Average daylight in January:
7h and 18min - Average daylight in February:
9h and 24min - Average daylight in March:
11h and 54min - Average daylight in April:
14h and 24min - Average daylight in May:
16h and 48min - Average daylight in June:
18h and 6min
- Average daylight in July:
17h and 24min - Average daylight in August:
15h and 18min - Average daylight in September:
12h and 48min - Average daylight in October:
10h and 18min - Average daylight in November:
7h and 54min - Average daylight in December:
6h and 36min
The month with the longest days is June (Average daylight: 18h and 6min).
The month with the shortest days is December (Average daylight: 6h and 36min).





