May
Weather in May
Sea temperature
In Préfailles, France, the average seawater temperature in May is 14.6°C (58.3°F).Note: Dipping in 14.6°C (58.3°F) at temperatures less than 10°C (50°F) without proper gear can lead to pronounced cold shock and breathing difficulties.
Daylight
The average length of the day in May is 15h and 5min.On the first day of May, sunrise is at 06:51 and sunset at 21:19. On the last day of the month, sunrise is at 06:17 and sunset at 21:55 CEST.
Updated: Feb 8, 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
How cold is the water in May in Préfailles?
In Préfailles, France, in May, the average water temperature is 14.6°C (58.3°F). Swimming in 14.6°C (58.3°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.
How many hours of daylight does Préfailles have in May?
In May, the average day length is 15h and 5min.
When are sunrise and sunset in May in Préfailles?
In May, on the first day of the month, sunrise is at 06:51 and sunset at 21:19. On the last day of the month, sunrise is at 06:17 and sunset at 21:55 CEST.
Average sea temperature in May
Préfailles, France
- Average sea temperature in May: 14.6°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 May
Préfailles, France
- Average daylight in May: 15h and 1min
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).
