Weather in December
Sea temperature
In Préfailles, France, the average seawater temperature in December is 12.8°C (55°F).Note: Caution: 12.8°C (55°F) temperatures below 10°C (50°F) during swimming can result in intense cold shock and quickened breathing.
Daylight
With an average of 8h and 36min of daylight, December has the shortest days of the year.On the first day of December in Préfailles, sunrise is at 08:34 and sunset at 17:21. On the last day of the month, sunrise is at 08:55 and sunset at 17:29 CET.
Frequently asked questions
How cold is the water in December in Préfailles?
In Préfailles, France, in December, the average water temperature is 12.8°C (55°F). Swimming in 12.8°C (55°F) is considered life-threatening. Even a few minutes in 13°C (55.4°F) water is uncomfortable, and swimming below 10°C (50°F) may cause total loss of breathing control and cold shock, depending on a person's physique.
What is the month with the shortest days in Préfailles?
With an average of 8h and 36min of daylight, December has the shortest days of the year in Préfailles.
What is the average length of the day in December in Préfailles?
In December, the average day length in Préfailles is 8h and 34min.
When are sunrise and sunset in December in Préfailles?
In December, on the first day of the month, sunrise is at 08:34 and sunset at 17:21. On the last day of the month, sunrise is at 08:55 and sunset at 17:29 CET.
Average sea temperature in December
Préfailles, France
- Average sea temperature in December: 12.8°C
The best month for swimming (with the highest average sea temperature) is August (18.8°C).
The coldest month (with the lowest average sea temperature) is February (9.7°C).
Average daylight in December
Préfailles, France
- Average daylight in December: 8h and 4min
The month with the longest days is June (Average daylight: 15h and 48min).
The month with the shortest days is December (Average daylight: 8h and 36min).
Préfailles, France
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