December weather forecastOsøyro, Norway
December
Weather in December
Sea temperature
In Osøyro, Norway, the average seawater temperature in December is 8.3°C (46.9°F).Note: Without suitable protection, venturing into 8.3°C (46.9°F) waters cooler than 10°C (50°F) can lead to pronounced cold shock and rapid breaths.
Daylight
With an average of 6h and 0min of daylight, December has the shortest days of the year.On the first day of the month, sunrise is at 09:15 and sunset at 15:39. On the last day of December, sunrise is at 09:42 and sunset at 15:40 CET.
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
In December, the average sea temperature in Osøyro is 8.3°C (46.9°F). Swimming in 8.3°C (46.9°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.
With an average of 6h and 0min of daylight, December has the shortest days of the year in Osøyro, Norway.
In Osøyro, Norway, the average day length in December is 5h and 59min.
On the first day of December in Osøyro, sunrise is at 09:15 and sunset at 15:39. On the last day of the month, sunrise is at 09:42 and sunset at 15:40 CET.
Average sea temperature in December
Osøyro, Norway
- Average sea temperature in December: 8.3°C
The best month for swimming (with the highest average sea temperature) is August (15.7°C).
The coldest month (with the lowest average sea temperature) is March (4.8°C).
Average daylight in December
Osøyro, Norway
- Average daylight in December: 6h and 0min
The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).





