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Coldest sea in France in March

477 coastal locations in France ranked by typical March sea temperature, coldest first. Region-wide average in March: 11.3°C.

Coldest in March

Sainte-Marie-sur-Mer

-1.1°C March mean in France

Regional March average

11.3°C

across all 477 coastal locations in France

Vs annual mean

-4.0°C

below the year-round regional average

What the France sea feels like in March

Water at this temperature is cold and will feel very cold initially, but the body will get used to it and longer swims are possible. Experienced swimmers can manage several hours of swimming, however hypothermia is still a real risk.

France monthly average 10.9°C to 20.3°C
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  • Warmest month August 20.3°C
  • Coldest month February 10.9°C
  • Annual mean 15.3°C
  • Months above 20°C 1 of 12

Where March fits in the year

March sits inside the regional pattern shown on the left. Pick a different month to see how the ranking shifts.

All twelve France month rankings:

France sea temperature map (live)

The map shows today's latest reading at every France location. The list below is based on the typical March mean.

Zoom in to see individual locations. Click a pin for water temperatures. View list →
°C -2 0 1 3 5 7 9 11 13 15 17 19 21 24 27 30 35

Top 50 coldest France locations in March

Sorted by typical March mean from a decade of daily readings, coldest first. Click any place for the full location page.

# Location March mean
1 Sainte-Marie-sur-Mer -1.1°C
2 Rhine (near Strasbourg) 7.1°C
3 Bray Dunes 8.1°C
4 Pas de Calais 8.3°C
5 Dunkirk 8.4°C
6 Malo-les-Bains 8.4°C
7 Dunkerque Hauts-de-France 8.5°C
8 Le Crotoy 8.5°C
9 Paris 8.5°C
10 Saint Valery Sur Somme 8.5°C
11 Ault 8.7°C
12 Cayeux Sur Mer 8.7°C
13 Dieppe Normandy 8.7°C
14 Le Treport 8.7°C
15 Berck 8.7°C
16 Calais 8.7°C
17 Fort-Mahon-Plage 8.7°C
18 Sangatte 8.7°C
19 Ambleteuse 8.7°C
20 Audresselles 8.7°C
21 Cayeux Hauts-de-France 8.7°C
22 Wimereux 8.7°C
23 Wissant 8.7°C
24 Gravelines Hauts-de-France 8.7°C
25 Boulogne-sur-Mer 8.7°C
Show 25 more ▸
26 Le Portel 8.7°C
27 Le Touquet Paris Plage 8.7°C
28 Berck Plage - Fort Mahon Hauts-de-France 8.8°C
29 Le Touquet (Etaples) Hauts-de-France 8.8°C
30 Sotteville-sur-Mer Normandy 8.8°C
31 Veules-les-Roses Normandy 8.8°C
32 Benerville-sur-Mer 8.9°C
33 Blonville-sur-Mer 8.9°C
34 Caen Normandy 8.9°C
35 Deauville Normandy 8.9°C
36 Honfleur 8.9°C
37 Le Havre Normandy 8.9°C
38 Touques 8.9°C
39 Trouville-sur-Mer Normandy 8.9°C
40 Villerville 8.9°C
41 Cabourg 8.9°C
42 Houlgate 8.9°C
43 Villers-sur-Mer 8.9°C
44 St. Valery-en-Caux Normandie 9.0°C
45 Courseulles-sur-Mer 9.0°C
46 Hermanville-sur-Mer Normandy 9.0°C
47 Langrune Sur Mer 9.0°C
48 Lion-sur-Mer Normandy 9.0°C
49 Luc-sur-Mer Normandy 9.0°C
50 Ouistreham 9.0°C

Warmest 10 in France in March

Same data the other way. The warmest spots for the same month.

# Location March mean
1 lies Wallis (Mata-Utu) Hahake 29.8°C
2 Clipperton-D Overseas France 28.4°C
3 Solenzara Corsica 14.5°C
4 Ajaccio Aspretto Corse 14.4°C
5 Ajaccio Corse 14.4°C
6 Centuri Corse 14.3°C
7 l'Île-Rousse Corse 14.3°C
8 Aix-les-Bains 14.2°C
9 Lac d'Aiguebelette 14.2°C
10 Lake Bourget 14.2°C

More on this region