Weather in January
Sea temperature
In Östhammar, Sweden, the average seawater temperature in January is 0.9°C (33.6°F).Note: In the sport of swimming, this scenario is extremely cold, treacherous, and fatal. If not protected by insulated waterproof clothing, hypothermia ensues quickly.
Daylight
In January, the average length of the day in Östhammar is 6h and 48min.On the first day of the month, sunrise is at 08:51 and sunset at 14:48. On the last day of January, in Östhammar, Sweden, sunrise is at 08:04 and sunset at 15:54 CET.
Frequently asked questions
How cold is the water in January in Östhammar?
In Östhammar, in January, the average water temperature is 0.9°C (33.6°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.
How many hours of daylight does Östhammar have in January?
In Östhammar, Sweden, the average day length in January is 6h and 48min.
What time are sunrise and sunset in January in Östhammar?
On the first day of January, sunrise is at 08:51 and sunset at 14:48. On the last day of the month, sunrise is at 08:04 and sunset at 15:54 CET.
Average sea temperature in January
Östhammar, Sweden
- Average sea temperature in January: 0.9°C
The best month for swimming (with the highest average sea temperature) is August (18.2°C).
The coldest month (with the lowest average sea temperature) is February (0.1°C).
Average daylight in January
Östhammar, Sweden
- Average daylight in January: 6h and 5min
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).
Östhammar, Sweden
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