Monthly Saint-Malo water temperature chart
The bar chart below shows the average monthly sea temperatures at Saint-Malo over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 9.4 | 9.0 | 9.0 | 10.6 | 12.7 | 14.8 | 16.4 | 17.8 | 17.9 | 16.6 | 14.8 | 12.1 |
| °F | 48.9 | 48.2 | 48.2 | 51.1 | 54.9 | 58.6 | 61.5 | 64 | 64.2 | 61.9 | 58.6 | 53.8 |
Monthly average max / min water temperatures
The graph below shows the range of monthly water temperatures over several years.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Min °C | 7.6 | 8 | 7.7 | 9.2 | 11.5 | 12.9 | 15 | 16.6 | 16.8 | 15.3 | 13.2 | 10.3 |
| Max °C | 11.2 | 10.1 | 10.3 | 12.1 | 14 | 16.7 | 17.9 | 19 | 19.1 | 17.9 | 16.5 | 14 |
| Min °F | 47.1 | 47.2 | 46.9 | 49.7 | 53.7 | 56.7 | 60.1 | 62.8 | 63.1 | 60.6 | 57 | 52 |
| Max °F | 50.7 | 49.3 | 49.5 | 52.6 | 56.2 | 60.5 | 63 | 65.2 | 65.4 | 63.2 | 60.3 | 55.7 |