Weather in May
Sea temperature
In Roscanvel, France, the average seawater temperature in May is 13.1°C (55.6°F).Note: Swimming in 13.1°C (55.6°F) feels unbearing at 13°C (55.4°F) and can be life-risking below 10°C (50°F), causing breathing issues and cold shock, depending on a person's capacity.
Daylight
In Roscanvel, the average length of the day in May is 15h and 14min.On the first day of May in Roscanvel, sunrise is at 06:58 and sunset at 21:32. On the last day of the month, sunrise is at 06:21 and sunset at 22:10 CEST.
Frequently asked questions
How cold is the water in May in Roscanvel?
In Roscanvel, France, the average seawater temperature in May is 13.1°C (55.6°F). Swimming in 13.1°C (55.6°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 average length of the day in May in Roscanvel?
In May, the average day length in Roscanvel, France, is 15h and 14min.
When are sunrise and sunset in May in Roscanvel?
On the first day of May in Roscanvel, France, sunrise is at 06:58 and sunset at 21:32. On the last day of the month, sunrise is at 06:21 and sunset at 22:10 CEST.
Average sea temperature in May
Roscanvel, France
- Average sea temperature in May: 13.1°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 (10.3°C).
Average daylight in May
Roscanvel, France
- Average daylight in May: 15h and 1min
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).
Roscanvel, France
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