Monthly Harpswell Center water temperature chart
The bar chart below shows the average monthly sea temperatures at Harpswell Center over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 5.1 | 3.7 | 3.3 | 5.3 | 8.1 | 12.5 | 16.3 | 17.6 | 15.8 | 12.7 | 9.7 | 7.4 |
| °F | 41.2 | 38.7 | 37.9 | 41.5 | 46.6 | 54.5 | 61.3 | 63.7 | 60.4 | 54.9 | 49.5 | 45.3 |
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 | 3.5 | 2.1 | 1.8 | 3.4 | 5.1 | 9.8 | 13.9 | 15.9 | 13.5 | 9.4 | 8.1 | 5.4 |
| Max °C | 6.8 | 5.4 | 4.9 | 7.3 | 11.2 | 15.3 | 18.7 | 19.3 | 18.2 | 16 | 11.4 | 9.4 |
| Min °F | 39.6 | 37.1 | 36.4 | 39.6 | 43.6 | 51.8 | 58.9 | 62 | 58.1 | 51.6 | 47.9 | 43.3 |
| Max °F | 42.9 | 40.4 | 39.5 | 43.5 | 49.7 | 57.3 | 63.7 | 65.4 | 62.8 | 58.2 | 51.2 | 47.3 |