January weather forecastÖstermalm, Sweden
January
Weather in January
Sea temperature
In January, the average sea temperature in Östermalm, Sweden, is 1.9°C (35.4°F).Note: In relation to swimming, the extreme cold, danger, and potential fatality of this situation are apparent. Without suitable insulated waterproof clothing, the onset of hypothermia is quick.
Daylight
The average length of the day in January in Östermalm is 7h and 2min.On the first day of January, sunrise is at 08:43 and sunset at 14:58. On the last day of the month, sunrise is at 08:00 and sunset at 16:01 CET.
Updated: Feb 2, 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 January, the average sea temperature in Östermalm is 1.9°C (35.4°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 January, the average day length in Östermalm is 7h and 2min.
In January, on the first day of the month, sunrise is at 08:43 and sunset at 14:58. On the last day of the month, sunrise is at 08:00 and sunset at 16:01 CET.
Average sea temperature in January
Östermalm, Sweden
- Average sea temperature in January: 1.9°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (1°C).
Average daylight in January
Östermalm, Sweden
- Average daylight in January: 7h and 0min
The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).





