January weather forecastÅrstein, Norway
January
Weather in January
Sea temperature
In Årstein, Norway, the average seawater temperature in January is 4.6°C (40.3°F).Note: In swimming engagements, this poses immediate life-threatening risks. The loss of breath control is instantaneous, thereby hindering clear thought. A specialized swimsuit is mandatory to limit thermal dissipation.
Daylight
In Årstein, the average length of the day in January is 2h and 33min.On the first day of the month, sunrise is at 01:00 and sunset at 01:00. On the last day of January, sunrise is at 09:22 and sunset at 14:44 CET.
Updated: Aug 14, 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 Årstein, in January, the average water temperature is 4.6°C (40.3°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.
In Årstein, the average day length in January is 2h and 33min.
In January, on the first day of the month, sunrise is at 01:00 and sunset at 01:00. On the last day of the month, sunrise is at 09:22 and sunset at 14:44 CET.
Average sea temperature in January
Årstein, Norway
- Average sea temperature in January: 4.6°C
The best month for swimming (with the highest average sea temperature) is August (12.3°C).
The coldest month (with the lowest average sea temperature) is March (3.7°C).
Average daylight in January
Årstein, Norway
- Average daylight in January: 2h and 30min
The month with the longest days is August (Average daylight: 17h and 36min).
The month with the shortest days is June (Average daylight: 0h and 0min).
