December
Weather in December
December marks the full arrival of the winter season in Knokke-Heist. The shift from November to December brings drastic changes in weather conditions, primarily characterized by short days, cold winds, and a significant drop in sea temperature. Comparing to the upcoming month of January, December presents a more erratic weather behavior, with temperatures dropping to the lowest levels of the year. With the sea temperature falling to 10.5°C (50.9°F) in December, the North Sea turns into a chilly spectacle. Yet, the city's enchanting winter scenery and festive ambiance provide a warm welcome to the new year ahead.
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 Knokke-Heist, sunrise is at 08:30 and sunset at 16:42. On the last day of the month, sunrise is at 08:51 and sunset at 16:48 CET.
Sea temperature
In Knokke-Heist, in December, the average water temperature 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 is December, with an average of 8h and 0min of daylight.On the first day of December in Knokke-Heist, sunrise is at 08:30 and sunset at 16:42. On the last day of the month, sunrise is at 08:51 and sunset at 16:48 CET.
Updated: Jan 29, 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 is the sea water temperature in December in Knokke-Heist?
In Knokke-Heist, 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 Knokke-Heist?
The month with the shortest days is December, with an average of 8h and 0min of daylight.
How many hours of daylight does Knokke-Heist have in December?
The average day length in December in Knokke-Heist is 7h and 57min.
When is the sunrise / sunset in December in Knokke-Heist?
On the first day of December in Knokke-Heist, Belgium, sunrise is at 08:30 and sunset at 16:42. On the last day of the month, sunrise is at 08:51 and sunset at 16:48 CET.
Average sea temperature in December
Knokke-Heist, 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
Knokke-Heist, 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).
