Monthly South Boston water temperature chart
The bar chart below shows the average monthly sea temperatures at South Boston over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 4.9 | 3.4 | 3.2 | 5.5 | 8.6 | 14.1 | 18.4 | 19.7 | 17.9 | 14.6 | 10.9 | 7.8 |
| °F | 40.8 | 38.1 | 37.8 | 41.9 | 47.5 | 57.4 | 65.1 | 67.5 | 64.2 | 58.3 | 51.6 | 46 |
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 | 3 | 2 | 1.6 | 3.4 | 6 | 11.1 | 16.3 | 18.4 | 16.1 | 11.6 | 9.1 | 5.3 |
| Max °C | 6.8 | 4.9 | 4.8 | 7.7 | 11.2 | 17.1 | 20.6 | 21 | 19.7 | 17.7 | 12.8 | 10.4 |
| Min °F | 38.9 | 36.7 | 36.2 | 39.8 | 44.9 | 54.4 | 63 | 66.2 | 62.4 | 55.3 | 49.8 | 43.5 |
| Max °F | 42.7 | 39.6 | 39.4 | 44.1 | 50.1 | 60.4 | 67.3 | 68.8 | 66 | 61.4 | 53.5 | 48.6 |