Weather in April
Sea temperature
In Heligoland, Germany, the average seawater temperature in April is 8°C (46.4°F).Note: Navigating the 8°C (46.4°F) at 13°C (55.4°F) is no joy, and temperatures less than 10°C (50°F) can threaten breathing and cause a chilling shock, gauging personal stamina.
Daylight
The average length of the day in April in Heligoland is 14h and 5min.On the first day of April, sunrise is at 06:59 and sunset at 20:04. On the last day of the month, sunrise is at 05:51 and sunset at 20:59 CEST.
Frequently asked questions
What is the water temperature in April in Heligoland?
In Heligoland, the average seawater temperature in April is 8°C (46.4°F). At temperatures below 10°C (50°F), swimming in a suitably protected swimsuit is feasible; otherwise, cold shock and loss of breathing control are imminent. Even a short swim, without thermal protection, at temperatures around 13°C (55.4°F) is not comfortable.
What is the average length of the day in April in Heligoland?
In April, the average day length in Heligoland, Germany, is 14h and 5min.
When are sunrise and sunset in April in Heligoland?
In April, on the first day of the month, sunrise is at 06:59 and sunset at 20:04. On the last day of the month, in Heligoland, Germany, sunrise is at 05:51 and sunset at 20:59 CEST.
Average sea temperature in April
Heligoland, Germany
- Average sea temperature in April: 8°C
The best month for swimming (with the highest average sea temperature) is August (18.3°C).
The coldest months (with the lowest average sea temperature) are January and February (4.4°C).
Average daylight in April
Heligoland, Germany
- Average daylight in April: 14h and 1min
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).
Heligoland, Germany
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