Weather in December
December in De Haan provides a fitting close to the year with lower sea temperatures of 10.5°C (50.9°F). The weather is unmistakably winterish in character, with a significantly reduced duration of daylight. Cooler temperatures prevail, but snowfall is not a common occurrence. Rainfall shows a tendency to peak around this time, wrapping the year with a wet, cold season.
Note: Swimming in 10.5°C (50.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
On the first day of December in De Haan, sunrise is at 08:30 and sunset at 16:43. On the last day of the month, sunrise is at 08:52 and sunset at 16:49 CET.
[Resources]Sea temperature
In December, the average sea temperature in De Haan is 10.5°C (50.9°F).Note: Swimming in 10.5°C (50.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
Daylight
The month with the shortest days in De Haan, Belgium, is December, with an average of 8h and 0min of daylight.On the first day of December in De Haan, sunrise is at 08:30 and sunset at 16:43. On the last day of the month, sunrise is at 08:52 and sunset at 16:49 CET.
Frequently asked questions
What is the water temperature in December in De Haan?
In De Haan, the average seawater temperature in December is 10.5°C (50.9°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 month with the shortest days in De Haan?
The month with the shortest days is December, with an average of 8h and 0min of daylight.
What is the average length of the day in December in De Haan?
In De Haan, Belgium, the average day length in December is 7h and 58min.
What time are sunrise and sunset in December in De Haan?
On the first day of December, sunrise is at 08:30 and sunset at 16:43. On the last day of the month, sunrise is at 08:52 and sunset at 16:49 CET.
Average sea temperature in December
De Haan, Belgium
- Average sea temperature in December: 10.5°C
The best month for swimming (with the highest average sea temperature) is August (18.4°C).
The coldest month (with the lowest average sea temperature) is March (7.1°C).
Average daylight in December
De Haan, Belgium
- Average daylight in December: 8h and 0min
The month with the longest days is June (Average daylight: 16h and 30min).
The month with the shortest days is December (Average daylight: 8h and 0min).
De Haan, Belgium
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