Monthly Charlestown water temperature chart
The bar chart below shows the average monthly sea temperatures at Charlestown over the year.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 6.7 | 5.8 | 6.3 | 9.2 | 12.4 | 19.4 | 23.7 | 24.8 | 22.4 | 18.2 | 13.3 | 9.6 |
°F | 44.1 | 42.4 | 43.3 | 48.6 | 54.3 | 66.9 | 74.7 | 76.6 | 72.3 | 64.8 | 55.9 | 49.3 |
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 | 4.8 | 4.6 | 4.6 | 6.6 | 8.9 | 16 | 21.6 | 23.1 | 20.8 | 14.8 | 11.2 | 7.1 |
Max °C | 8.7 | 7.1 | 8 | 11.8 | 16 | 22.9 | 25.8 | 26.5 | 24 | 21.7 | 15.4 | 12.1 |
Min °F | 42.2 | 41.2 | 41.6 | 46 | 50.8 | 63.5 | 72.6 | 74.9 | 70.7 | 61.4 | 53.8 | 46.8 |
Max °F | 46.1 | 43.7 | 45 | 51.2 | 57.9 | 70.4 | 76.8 | 78.3 | 73.9 | 68.3 | 58 | 51.8 |