January weather forecastPréfailles, France
January
Weather in January
Sea temperature
In Préfailles, France, the average seawater temperature in January is 9.8°C (49.6°F).Note: Diving into 9.8°C (49.6°F) is practical below 10°C (50°F), given you're wearing protective swim gear; without it, expect a quick onset of cold shock and a struggle to breathe. Merely touching waters at 13°C (55.4°F) feels ice-cold.
Daylight
In January, the average length of the day is 9h and 0min.On the first day of January, sunrise is at 08:55 and sunset at 17:29. On the last day of the month, sunrise is at 08:35 and sunset at 18:08 CET.
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
In January, the average sea temperature in Préfailles, France, is 9.8°C (49.6°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 Préfailles, the average day length in January is 9h and 0min.
On the first day of January in Préfailles, France, sunrise is at 08:55 and sunset at 17:29. On the last day of the month, sunrise is at 08:35 and sunset at 18:08 CET.
Average sea temperature in January
Préfailles, France
- Average sea temperature in January: 9.8°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 January
Préfailles, France
- Average daylight in January: 9h and 0min
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).





