Swimming in Boulogne-sur-Mer in may 2025: Average sea temperature in may and tide times in may 2025
Average sea temperature in Boulogne-sur-Mer in may 2025.
In may, according to seasonal norms, the sea temperature in Boulogne-sur-Mer is:
Minimum: 51°F
Average: 54°F
Maximum: 57°F
Other useful seasonal weather averages in may:
- Outside temperature: 51°F to 57°F
- Most common weather: "Clear/Sunny"
- The wind blows at 5.6mph
- It rains a total of 2.5in, over 4 day(s).
Should we swim in Boulogne-sur-Mer in may?
No... The water temperature in Boulogne-sur-Mer in may is freezing
You won't be able to swim in Boulogne-sur-Mer in may! The water temperature is freezing, reaching as low as 51°F (and only 57°F at best)! Our advice: if you are going to Boulogne-sur-Mer this month, plan to sightsee and forget the beach!
Note also that in may, the climate is tolerable with an average outside temperature of 54°F, 2.4in of precipitation (over 4 days) and 85.77 % humidity.
Water and normal seasonal temperatures in Boulogne-sur-Mer in may
| May | |||
| Average sea temperature | 54°F | ||
| Minimum sea temperature | 51°F | ||
| Maximum sea temperature | 57°F | ||
| Average outside temperature | 56°F | ||
| Maximum outside temperature | 58°F | ||
| Minimum outside temperature | 52°F | ||
| Wind speed | 14.9mph | ||
| Wind temperature | 49°F | ||
| Precipitation | 2.5in | ||
| Number of days of rain | 4 jour(s) (14%) | ||
| Humidity | 86% | ||
| Visibility in kilometers | 9.39km | ||
| Cloud cover | 41% | ||
| Our opinion | freezing swimming |
Chart of the tides in may 2025
Tide times in may 2025 in Boulogne-sur-Mer
Swim elsewhere in the North of France in may
| City | Average T° | Min. T° | Max. T° | Our opinion | Calais in may | 54°F | 57°F | freezing swimming | Dunkirk in may | 54°F | 57°F | freezing swimming | Le Touquet in may | 54°F | 56°F | freezing swimming | Bray-Dunes in may | 54°F | 57°F | freezing swimming | Wissant in may | 54°F | 57°F | freezing swimming | Audinghen in may | 54°F | 56°F | freezing swimming | Escalles in may | 54°F | 56°F | freezing swimming | Petit Fort Philippe in may | 54°F | 56°F | freezing swimming |