December weather forecastDouarnenez, France
December
Weather in December
Sea temperature
In December, the average sea temperature in Douarnenez, France, is 12.7°C (54.9°F).Note: While a brief time in 12.7°C (54.9°F) at 13°C (55.4°F) is already bracing, plunging below 10°C (50°F) can severely affect breathing and introduce a cold shock, relying on your physical state.
Daylight
The month with the shortest days is December, with an average of 8h and 24min of daylight.On the first day of December in Douarnenez, France, sunrise is at 08:46 and sunset at 17:26. On the last day of the month, sunrise is at 09:07 and sunset at 17:33 CET.
Updated: Feb 5, 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
In December, the average sea temperature 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.
With an average of 8h and 24min of daylight, December has the shortest days of the year in Douarnenez.
The average day length in December in Douarnenez is 8h and 26min.
On the first day of December in Douarnenez, sunrise is at 08:46 and sunset at 17:26. On the last day of the month, sunrise is at 09:07 and sunset at 17:33 CET.
Average sea temperature in December
Douarnenez, 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 (10.2°C).
Average daylight in December
Douarnenez, France
- Average daylight in December: 8h and 24min
The month with the longest days is June (Average daylight: 16h and 0min).
The month with the shortest days is December (Average daylight: 8h and 24min).





