January
Weather in January
Sea temperature
January and February, with an average sea temperature of 39.9°F, are months with the coldest seawater in Heligoland, Germany.Note: In the activity of swimming, this is perceived as lethal and exceedingly dangerous. The cold water elicits sharp pain and instant hyperventilation. A specialized swimsuit is crucial to mitigate thermal detriment.
Daylight
In Heligoland, the average length of the day in January is 8h and 2min.On the first day of January, sunrise is at 08:48 and sunset at 16:15. On the last day of the month, sunrise is at 08:18 and sunset at 17:05 CET.
Updated: Feb 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
What months are the sea coldest in Heligoland?
January and February, with an average sea temperature of 39.9°F, are months with the coldest seawater.
How cold is the water in January in Heligoland?
In Heligoland, in January, the average water temperature is 39.9°F. For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.
What is the average length of the day in January in Heligoland?
In January, the average day length in Heligoland, Germany, is 8h and 2min.
When is the sunrise / sunset in January in Heligoland?
In January, on the first day of the month, sunrise is at 08:48 and sunset at 16:15. On the last day of the month, sunrise is at 08:18 and sunset at 17:05 CET.
Average sea temperature in January
Heligoland, Germany
- Average sea temperature in January: 40°F
The best month for swimming (with the highest average sea temperature) is August (65°F).
The coldest month (with the lowest average sea temperature) is February (39.9°F).
Average daylight in January
Heligoland, Germany
- Average daylight in January: 8h and 0min
The month with the longest days is June (Average daylight: 17h and 6min).
The month with the shortest days is December (Average daylight: 7h and 30min).
