Monthly Swanage water temperature chart
The bar chart below shows the average monthly sea temperatures at Swanage over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 9.7 | 9.2 | 8.8 | 9.9 | 11.4 | 13.3 | 15.2 | 16.6 | 17.0 | 16.1 | 14.3 | 11.9 |
| °F | 49.5 | 48.6 | 47.8 | 49.8 | 52.5 | 55.9 | 59.4 | 61.9 | 62.6 | 61 | 57.7 | 53.4 |
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 | 7.9 | 8.1 | 7.6 | 8.6 | 10.1 | 11.8 | 14.2 | 15.5 | 16.2 | 15.1 | 12.8 | 10.4 |
| Max °C | 11.5 | 10.3 | 10 | 11.3 | 12.7 | 14.8 | 16.3 | 17.7 | 17.9 | 17.2 | 15.8 | 13.4 |
| Min °F | 47.7 | 47.5 | 46.6 | 48.5 | 51.2 | 54.4 | 58.4 | 60.8 | 61.8 | 60 | 56.2 | 51.9 |
| Max °F | 51.3 | 49.7 | 49 | 51.2 | 53.8 | 57.4 | 60.5 | 63 | 63.5 | 62.1 | 59.2 | 54.9 |