Swimming in Fort-Mahon-Plage in december 2026: Average sea temperature in december and tide times in december 2026
Average sea temperature in Fort-Mahon-Plage in december 2026.
In december, according to seasonal norms, the sea temperature in Fort-Mahon-Plage is:
Minimum: 49°F
Average: 53°F
Maximum: 57°F
Other useful seasonal weather averages in december:
- Outside temperature: 44°F to 48°F
- Most common weather: "Cloudy"
- The wind blows at 1.9mph
- It rains a total of 6in, over 9 day(s).
Should we swim in Fort-Mahon-Plage in december?
No... The water temperature in Fort-Mahon-Plage in december is freezing
You won't be able to swim in Fort-Mahon-Plage in december! The water temperature is freezing, reaching as low as 49°F (and only 57°F at best)! Our advice: if you are going to Fort-Mahon-Plage this month, plan to sightsee and forget the beach!
Note also that in december, the climate is bad with an average outside temperature of 46°F, 6in of precipitation (over 9 days) and 86.95 % humidity.
Water and normal seasonal temperatures in Fort-Mahon-Plage in december
| December | |||
| Average sea temperature | 53°F | ||
| Minimum sea temperature | 49°F | ||
| Maximum sea temperature | 57°F | ||
| Average outside temperature | 47°F | ||
| Maximum outside temperature | 49°F | ||
| Minimum outside temperature | 45°F | ||
| Wind speed | 19.3mph | ||
| Wind temperature | 38°F | ||
| Precipitation | 6in | ||
| Number of days of rain | 9 jour(s) (30%) | ||
| Humidity | 87% | ||
| Visibility in kilometers | 8.95km | ||
| Cloud cover | 62% | ||
| Our opinion | freezing swimming |
Chart of the tides in december 2026
Tide times in december 2026 in Fort-Mahon-Plage
Swim elsewhere in Picardy in december
| City | Average T° | Min. T° | Max. T° | Our opinion | Somme Bay in december | 53°F | 57°F | freezing swimming | Quend Plage in december | 53°F | 57°F | freezing swimming | Saint-Valery-sur-Somme in december | 53°F | 57°F | freezing swimming |