Monthly Castine water temperature chart
The bar chart below shows the average monthly sea temperatures at Castine over the year.
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
°C | 4.7 | 3.3 | 3.0 | 4.5 | 6.8 | 10.1 | 13.5 | 14.3 | 13.3 | 11.3 | 8.9 | 6.8 |
°F | 40.5 | 37.9 | 37.4 | 40.1 | 44.2 | 50.2 | 56.3 | 57.7 | 55.9 | 52.3 | 48 | 44.2 |
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 | 2.2 | 1.7 | 3.1 | 5 | 7.4 | 11.1 | 12.2 | 11.8 | 9.4 | 7.4 | 5 |
Max °C | 6.4 | 4.5 | 4.4 | 5.9 | 8.7 | 12.9 | 16 | 16.4 | 14.8 | 13.2 | 10.4 | 8.7 |
Min °F | 38.8 | 36.8 | 36.1 | 38.7 | 42.4 | 47.5 | 53.9 | 55.6 | 54.4 | 50.4 | 46.5 | 42.4 |
Max °F | 42.2 | 39.1 | 38.8 | 41.5 | 46.1 | 53 | 58.8 | 59.8 | 57.4 | 54.2 | 49.5 | 46.1 |