Weather in December
Sea temperature
In December, the average sea temperature in Lanester, France, is 12.6°C (54.7°F).Note: Diving into 12.6°C (54.7°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.
Daylight
December has the shortest days of the year, with an average of 8h and 30min of daylight.On the first day of the month, sunrise is at 08:41 and sunset at 17:23. On the last day of December, sunrise is at 09:02 and sunset at 17:31 CET.
Frequently asked questions
What is the sea water temperature in December in Lanester?
In Lanester, the average seawater temperature in December is 12.6°C (54.7°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 Lanester?
With an average of 8h and 30min of daylight, December has the shortest days of the year.
How many hours of daylight does Lanester have in December?
In Lanester, the average day length in December is 8h and 29min.
What time are sunrise and sunset in December in Lanester?
In December, on the first day of the month, sunrise is at 08:41 and sunset at 17:23. On the last day of the month, sunrise is at 09:02 and sunset at 17:31 CET.
Average sea temperature in December
Lanester, France
- Average sea temperature in December: 12.6°C
The best month for swimming (with the highest average sea temperature) is August (17.9°C).
The coldest month (with the lowest average sea temperature) is February (9.9°C).
Average daylight in December
Lanester, France
- Average daylight in December: 8h and 3min
The month with the longest days is June (Average daylight: 15h and 54min).
The month with the shortest days is December (Average daylight: 8h and 30min).
Lanester, France
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