Climate and monthly weather forecastFosnavåg, Norway
Climate and monthly weather forecast
Weather in January
In Fosnavåg, Norway, in January, the average water temperature is 6.8°C (44.2°F). Note: Caution: 6.8°C (44.2°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing. Weather in January »Weather in February
In Fosnavåg, Norway, in February, the average water temperature is 6.1°C (43°F). Note: In 6.1°C (43°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 February »Weather in March
The month with the coldest seawater in Fosnavåg, Norway, is March, with an average sea temperature of 5.3°C (41.5°F). Note: It is advised against swimming in 5.3°C (41.5°F) when it drops below 10°C (50°F). Weather in March »Weather in April
In Fosnavåg, Norway, the average seawater temperature in April is 6°C (42.8°F). Note: Swimming in 6°C (42.8°F) is deemed hazardous. Exposure to temperatures below 10°C (50°F) leads to immediate severe cold shock and hyperventilation. Weather in April »Weather in May
In May, the average sea temperature in Fosnavåg, Norway, is 8.1°C (46.6°F). Note: Staying in 8.1°C (46.6°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 May »Weather in June
In Fosnavåg, Norway, in June, the average water temperature is 11.6°C (52.9°F). Note: With the appropriate swimsuit, one can swim in 11.6°C (52.9°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. Weather in June »Weather in July
In Fosnavåg, Norway, the average seawater temperature in July is 13.8°C (56.8°F). Note: Being in 13.8°C (56.8°F) waters at 13°C (55.4°F) is discomforting, but anything below 10°C (50°F) can jeopardize breathing and induce cold shock, factoring in physical endurance. Weather in July »Weather in August
With an average sea temperature of 14.3°C (57.7°F), August is the month with the warmest seawater in Fosnavåg, Norway. Note: Taking a dip in 14.3°C (57.7°F) can be perilous. Weather in August »Weather in September
In Fosnavåg, Norway, the average seawater temperature in September is 13.7°C (56.7°F). Note: Swimming in 13.7°C (56.7°F) can be lethal. Merely spending a few minutes in 13°C (55.4°F) waters feels harsh, and venturing below 10°C (50°F) might disrupt breathing control and bring about cold shock, contingent on individual resilience. Weather in September »Weather in October
In Fosnavåg, Norway, in October, the average water temperature is 11.7°C (53.1°F). Note: If planning to swim in 11.7°C (53.1°F) under 10°C (50°F), wear a protective suit. Weather in October »Weather in November
In Fosnavåg, Norway, the average seawater temperature in November is 10°C (50°F). Note: In 10°C (50°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 November »Weather in December
In December, the average sea temperature in Fosnavåg, Norway, is 8°C (46.4°F). Note: Beware when you're in 8°C (46.4°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 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
March is the month with the coldest seawater, with an average sea temperature of 5.3°C (41.5°F).
June has the longest days of the year in Fosnavåg, with an average of 19h and 42min of daylight.
The month with the warmest seawater is August, with an average sea temperature of 14.3°C (57.7°F).
On Sunday, 27. October 2024, at 03:00, Daylight Saving Time ends in Fosnavåg, 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 is December, with an average of 5h and 12min of daylight.
Average sea temperature
Fosnavåg, Norway
The best month for swimming (with the highest average sea temperature) is August (14.3°C).
The coldest month (with the lowest average sea temperature) is March (5.3°C).
Average daylight
Fosnavåg, Norway
- Average daylight in January:
6h and 12min - Average daylight in February:
8h and 54min - Average daylight in March:
11h and 48min - Average daylight in April:
14h and 54min - Average daylight in May:
17h and 54min - Average daylight in June:
19h and 42min
- Average daylight in July:
18h and 42min - Average daylight in August:
16h and 0min - Average daylight in September:
12h and 54min - Average daylight in October:
9h and 54min - Average daylight in November:
7h and 0min - Average daylight in December:
5h and 12min
The month with the longest days is June (Average daylight: 19h and 42min).
The month with the shortest days is December (Average daylight: 5h and 12min).





