Weather in January
In Brønnøysund, Norway, the average seawater temperature in January is 5.5°C (41.9°F). Note: Immersing oneself in 5.5°C (41.9°F) at sub-10°C (14°F) temperatures is a recipe for harsh cold shock and quickened breathing unless adequately equipped. Weather in January »
Weather in February
In Brønnøysund, Norway, in February, the average water temperature is 4.9°C (40.8°F). Note: In the activity of swimming, this is perceived as lethal and exceedingly dangerous. Weather in February »
Weather in March
The month with the coldest seawater in Brønnøysund, Norway, is March, with an average sea temperature of 4.4°C (39.9°F). Note: While participating in swimming, this is a serious life-threatening situation. Weather in March »
Weather in April
In April, the average sea temperature in Brønnøysund, Norway, is 5.3°C (41.5°F). Note: Swimming in 5.3°C (41.5°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 May, the average sea temperature in Brønnøysund, Norway, is 7.8°C (46°F). Note: It is life-risking to swim in 7.8°C (46°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 May »
Weather in June
In Brønnøysund, Norway, the average seawater temperature in June is 11.7°C (53.1°F). Note: Diving into 11.7°C (53.1°F) when it's under 10°C (50°F) can cause immediate cold shock symptoms, marked by hyperventilation. Weather in June »
Weather in July
July is the month with the warmest seawater in Brønnøysund, Norway, with an average sea temperature of 13.8°C (56.8°F). Note: It is risky to swim in 13.8°C (56.8°F). Weather in July »
Weather in August
In August, the average sea temperature in Brønnøysund, Norway, is 13.5°C (56.3°F). Note: Danger awaits those who swim in 13.5°C (56.3°F) without protection. Weather in August »
Weather in September
In Brønnøysund, Norway, the average seawater temperature in September is 12.5°C (54.5°F). Note: Staying in 12.5°C (54.5°F) waters for just a few moments at 13°C (55.4°F) can be harrowing, and below 10°C (50°F) poses breathing and cold shock risks, depending on individual tolerance. Weather in September »
Weather in October
In Brønnøysund, Norway, in October, the average water temperature is 10.7°C (51.3°F). Note: Beware of 10.7°C (51.3°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 October »
Weather in November
In Brønnøysund, Norway, in November, the average water temperature is 8.8°C (47.8°F). Note: Taking a dip in 8.8°C (47.8°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation. Weather in November »
Weather in December
In December, the average sea temperature in Brønnøysund, Norway, is 7.2°C (45°F). Note: Swimming at temperatures less than 10°C (50°F) in 7.2°C (45°F) is feasible with the right swimsuit; if not, expect cold shock and breathlessness. Weather in December »
[Resources]Frequently asked questions
What month is the sea coldest in Brønnøysund?
With an average sea temperature of 4.4°C (39.9°F), March is the month with the coldest seawater.
When are the longest days in Brønnøysund?
June has the longest days of the year in Brønnøysund, with an average of 22h and 18min of daylight.
When is the sea warmest in Brønnøysund?
The month with the warmest seawater is July, with an average sea temperature of 13.8°C (56.8°F).
When is Daylight Saving Time (DST) in Brønnøysund?
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends, 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.
What is the month with the shortest days in Brønnøysund?
The month with the shortest days is December, with an average of 3h and 36min of daylight.
Average sea temperature
Brønnøysund, Norway
The best month for swimming (with the highest average sea temperature) is July (13.8°C).
The coldest month (with the lowest average sea temperature) is March (4.4°C).
Average daylight
Brønnøysund, Norway
- Average daylight in January:
5h and 0min - Average daylight in February:
8h and 2min - Average daylight in March:
11h and 5min - Average daylight in April:
15h and 2min - Average daylight in May:
19h and 1min - Average daylight in June:
22h and 2min
- Average daylight in July:
20h and 2min - Average daylight in August:
16h and 4min - Average daylight in September:
13h and 1min - Average daylight in October:
9h and 4min - Average daylight in November:
6h and 1min - Average daylight in December:
3h and 4min
The month with the longest days is June (Average daylight: 22h and 18min).
The month with the shortest days is December (Average daylight: 3h and 36min).
Brønnøysund, Norway
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