Long-term weather forecast
Long-term weather forecast

January weather forecast and climate
Saint-Mandrier-sur-Mer, France

Sea temperature

In Saint-Mandrier-sur-Mer, France, the average seawater temperature in January is 13.4°C (56.1°F).
Note: Swimming in 13.4°C (56.1°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.


In January, the average length of the day is 9.4h.

How cold is the water in January in Saint-Mandrier-sur-Mer?

In Saint-Mandrier-sur-Mer, in January, the average water temperature is 13.4°C (56.1°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.

What is the average length of the day in January in Saint-Mandrier-sur-Mer?

The average length of the day in January in Saint-Mandrier-sur-Mer, France, is 9.4h.
Average sea temperature in January - Saint-Mandrier-sur-Mer, France
  • Average sea temperature in January: 13.4°C

The best month for swimming (with the highest average sea temperature) is August (22.3°C).
The coldest month (with the lowest average sea temperature) is February (13°C).

Average daylight in January - Saint-Mandrier-sur-Mer, France
  • Average daylight in January: 9.4h

The month with the longest days is June (Average daylight: 15.3h).
The month with shortest days is December (Average daylight: 9.1h).