March weather forecastDouarnenez, France
March
Weather in March
Sea temperature
The month with the coldest seawater in Douarnenez, France, is March, with an average sea temperature of 10.2°C (50.4°F).Note: Taking a dip in 10.2°C (50.4°F) can be perilous. Submersion in temperatures under 10°C (50°F) triggers severe cold shock accompanied by hyperventilation.
Daylight
In March, the average length of the day is 11h and 56min.On the first day of March, sunrise is at 07:57 and sunset at 19:01. On the last day of the month, sunrise is at 06:56 and sunset at 19:46 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
March is the month with the coldest seawater, with an average sea temperature of 10.2°C (50.4°F).
In March, the average sea temperature is 10.2°C (50.4°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.
In Douarnenez, France, the average day length in March is 11h and 56min.
In March, on the first day of the month, sunrise is at 07:57 and sunset at 19:01. On the last day of the month, in Douarnenez, France, sunrise is at 06:56 and sunset at 19:46 CET.
Average sea temperature in March
Douarnenez, France
- Average sea temperature in March: 10.2°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 March
Douarnenez, France
- Average daylight in March: 11h and 54min
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).





