Climate and monthly weather forecastStjørdal, Norway
Climate and monthly weather forecast
Weather in January
In Stjørdal, Norway, the average seawater temperature in January is 5.7°C (42.3°F). Note: Swimming in 5.7°C (42.3°F) is considered life-threatening. Weather in January »Weather in February
In Stjørdal, Norway, the average seawater temperature in February is 5.3°C (41.5°F). Note: One needs to be cautious in 5.3°C (41.5°F) waters. 13°C (55.4°F) is already forbidding, but sub-10°C (14°F) can seriously disrupt your breathing and lead to a frigid shock, considering one's well-being. Weather in February »Weather in March
The month with the coldest seawater in Stjørdal, Norway, is March, with an average sea temperature of 4.6°C (40.3°F). Note: During the act of swimming, this is a direct threat to life. Weather in March »Weather in April
In Stjørdal, Norway, in April, the average water temperature is 6.2°C (43.2°F). Note: Swimming in 6.2°C (43.2°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Weather in April »Weather in May
In Stjørdal, Norway, the average seawater temperature in May is 9°C (48.2°F). Note: Engaging in a swim in 9°C (48.2°F) can threaten life. Brief exposure to 13°C (55.4°F) waters is uneasy, and submersion below 10°C (50°F) can lead to cold shock and disrupted breathing patterns, varying by individual. Weather in May »Weather in June
In Stjørdal, Norway, the average seawater temperature in June is 12.5°C (54.5°F). Note: It is life-risking to swim in 12.5°C (54.5°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance. Weather in June »Weather in July
In Stjørdal, Norway, in July, the average water temperature is 14.8°C (58.6°F). Note: Beware when you're in 14.8°C (58.6°F) waters; 13°C (55.4°F) is chilling and anything below 10°C (50°F) could cause breathing hindrance and a sudden cold shock, given your physical condition. Weather in July »Weather in August
August is the month with the warmest seawater in Stjørdal, Norway, with an average sea temperature of 15.1°C (59.2°F). Note: The majority of individuals find it unpleasurable to swim in 15.1°C (59.2°F). Weather in August »Weather in September
In Stjørdal, Norway, the average seawater temperature in September is 13.5°C (56.3°F). Note: It is life-risking to swim in 13.5°C (56.3°F). Briefly staying in 13°C (55.4°F) waters feels unsettling, and temperatures below 10°C (50°F) might result in cold shock and loss of breath control, hinging on personal endurance. Weather in September »Weather in October
In Stjørdal, Norway, in October, the average water temperature is 11°C (51.8°F). Note: It is advised against swimming in 11°C (51.8°F) when it drops below 10°C (50°F). Weather in October »Weather in November
In Stjørdal, Norway, in November, the average water temperature is 8.9°C (48°F). Note: With an efficient thermal swimsuit, one can navigate 8.9°C (48°F) even if it's colder than 10°C (50°F); otherwise, rapid cold shock and breathlessness might set in. Weather in November »Weather in December
In December, the average sea temperature in Stjørdal, Norway, is 7.1°C (44.8°F). Note: Beware of 7.1°C (44.8°F) waters at 13°C (55.4°F), they're uninviting, and a dip below 10°C (50°F) has risks of breath loss and cold shock, contingent on health. Weather in December »Updated: Jan 26, 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
The month with the coldest seawater in Stjørdal, Norway, is March, with an average sea temperature of 4.6°C (40.3°F).
With an average of 20h and 24min of daylight, June has the longest days of the year in Stjørdal, Norway.
The month with the warmest seawater in Stjørdal, Norway, is August, with an average sea temperature of 15.1°C (59.2°F).
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Stjørdal, 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.
With an average of 4h and 42min of daylight, December has the shortest days of the year.
Average sea temperature
Stjørdal, Norway
The best month for swimming (with the highest average sea temperature) is August (15.1°C).
The coldest month (with the lowest average sea temperature) is March (4.6°C).
Average daylight
Stjørdal, Norway
- Average daylight in January:
5h and 48min - Average daylight in February:
8h and 42min - Average daylight in March:
11h and 48min - Average daylight in April:
15h and 0min - Average daylight in May:
18h and 12min - Average daylight in June:
20h and 24min
- Average daylight in July:
19h and 12min - Average daylight in August:
16h and 12min - Average daylight in September:
13h and 0min - Average daylight in October:
9h and 48min - Average daylight in November:
6h and 42min - Average daylight in December:
4h and 42min
The month with the longest days is June (Average daylight: 20h and 24min).
The month with the shortest days is December (Average daylight: 4h and 42min).





