Monthly Dartmouth water temperature chart
The bar chart below shows the average monthly sea temperatures at Dartmouth over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 2.8 | 0.8 | 0.9 | 2.7 | 5.2 | 9.4 | 14.1 | 17.1 | 16.6 | 13.8 | 9.1 | 5.5 |
| °F | 37 | 33.4 | 33.6 | 36.9 | 41.4 | 48.9 | 57.4 | 62.8 | 61.9 | 56.8 | 48.4 | 41.9 |
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 | -0.1 | -0.9 | -0.3 | 0.1 | 2.4 | 6.1 | 12 | 15.2 | 14.2 | 11.2 | 6.5 | 2.5 |
| Max °C | 5.7 | 2.5 | 2.1 | 5.3 | 8.1 | 12.7 | 16.2 | 19.1 | 19 | 16.4 | 11.7 | 8.6 |
| Min °F | 34.1 | 31.7 | 32.5 | 34.3 | 38.6 | 45.6 | 55.3 | 60.9 | 59.5 | 54.2 | 45.8 | 38.9 |
| Max °F | 39.9 | 35.1 | 34.8 | 39.5 | 44.3 | 52.2 | 59.5 | 64.8 | 64.3 | 59.4 | 51 | 45 |