Water temperature of the English Channel in may Where to swim in the English Channel in may 2025?

Several countries border the seaside of the English Channel, including: England, Brittany, North of France, Normandy and Picardy. We measure the water temperature daily in these countries and archive it in order to calculate monthly averages, like those of the month of may.

The seasonal average for the water temperature in the month of may is between 53°F and 56°F. The lowest sea temperature measured this month is 50°F and the highest is 58°F.

The sea temperature map of the English Channel in may

The map below presents a monthly average of the water temperature of the English Channel for the month of may for several coastal cities. You can zoom and move around on the map. By clicking on the markers, you can see sea temperature details by city in may.