Weather in December
Sea temperature
In December, the average sea temperature in La Tranche-sur-Mer, France, is 13.2°C (55.8°F).Note: Swimming in 13.2°C (55.8°F) at temperatures under 10°C (50°F) requires thermal swimsuits; otherwise, one can face cold shock and breathing difficulty. Even brief immersion at 13°C (55.4°F) feels frosty.
Daylight
December has the shortest days of the year, with an average of 8h and 42min of daylight.On the first day of the month, sunrise is at 08:28 and sunset at 17:21. On the last day of December, sunrise is at 08:48 and sunset at 17:29 CET.
Frequently asked questions
What is the sea water temperature in December in La Tranche-sur-Mer?
In La Tranche-sur-Mer, France, the average seawater temperature in December is 13.2°C (55.8°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 La Tranche-sur-Mer?
December has the shortest days of the year in La Tranche-sur-Mer, France, with an average of 8h and 42min of daylight.
What is the average length of the day in December in La Tranche-sur-Mer?
In December, the average day length is 8h and 40min.
When are sunrise and sunset in December in La Tranche-sur-Mer?
In December, on the first day of the month, sunrise is at 08:28 and sunset at 17:21. On the last day of the month, sunrise is at 08:48 and sunset at 17:29 CET.
Average sea temperature in December
La Tranche-sur-Mer, France
- Average sea temperature in December: 13.2°C
The best month for swimming (with the highest average sea temperature) is August (19.8°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).
Average daylight in December
La Tranche-sur-Mer, France
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 42min).
The month with the shortest days is December (Average daylight: 8h and 42min).
La Tranche-sur-Mer, France
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