Water temperature of the English Channel in march Where to swim in the English Channel in march 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 march.

The seasonal average for the water temperature in the month of march is between 46°F and 50°F. The lowest sea temperature measured this month is 42°F and the highest is 52°F.

The sea temperature map of the English Channel in march

The map below presents a monthly average of the water temperature of the English Channel for the month of march 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 march.

ideal swimming pleasant swimming cool swimming cold swimming freezing swimming

Where can you swim in the English Channel in march?

Below, see the average temperatures measured in march in the different countries on the shores of the English Channel.

England

Sea temperature in march at the shore of the English Channel:

46°F to 50°F

freezing swimming

Brittany

Sea temperature in march at the shore of the English Channel:

48°F to 50°F

freezing swimming

North of France

Sea temperature in march at the shore of the English Channel:

46°F to 47°F

freezing swimming

Normandy

Sea temperature in march at the shore of the English Channel:

47°F to 49°F

freezing swimming

Picardy

Sea temperature in march at the shore of the English Channel:

47°F to 47°F

freezing swimming

Water temperature of the English Channel: choose another month

See monthly seasonal averages of the water temperature of the English Channel by clicking on the links below:

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