December
Weather in December
Sea temperature
In Trégastel, France, in December, the average water temperature is 12.7°C (54.9°F).Note: Dipping in 12.7°C (54.9°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
The month with the shortest days is December, with an average of 8h and 18min of daylight.On the first day of December in Trégastel, sunrise is at 08:46 and sunset at 17:19. On the last day of the month, sunrise is at 09:07 and sunset at 17:27 CET.
Updated: Feb 9, 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 water temperature in December in Trégastel?
In Trégastel, France, the average seawater temperature in December is 12.7°C (54.9°F). Swimming in 12.7°C (54.9°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.
What is the month with the shortest days in Trégastel?
With an average of 8h and 18min of daylight, December has the shortest days of the year in Trégastel.
How many hours of daylight does Trégastel have in December?
In Trégastel, France, the average day length in December is 8h and 20min.
When are sunrise and sunset in December in Trégastel?
In December, on the first day of the month, sunrise is at 08:46 and sunset at 17:19. On the last day of the month, in Trégastel, France, sunrise is at 09:07 and sunset at 17:27 CET.
Average sea temperature in December
Trégastel, France
- Average sea temperature in December: 12.7°C
The best month for swimming (with the highest average sea temperature) is August (16.9°C).
The coldest month (with the lowest average sea temperature) is March (9.9°C).
Average daylight in December
Trégastel, France
- Average daylight in December: 8h and 2min
The month with the longest days is June (Average daylight: 16h and 6min).
The month with the shortest days is December (Average daylight: 8h and 18min).
