Monthly Chatham water temperature chart
The bar chart below shows the average monthly sea temperatures at Chatham over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 5.2 | 3.9 | 3.9 | 6.4 | 9.5 | 14.2 | 18.7 | 19.7 | 17.9 | 14.8 | 10.7 | 7.8 |
| °F | 41.4 | 39 | 39 | 43.5 | 49.1 | 57.6 | 65.7 | 67.5 | 64.2 | 58.6 | 51.3 | 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 | 3.6 | 2.8 | 2.2 | 4.1 | 6.5 | 10.4 | 15.7 | 18.3 | 16.1 | 11.5 | 8.9 | 5.4 |
| Max °C | 6.9 | 5.1 | 5.6 | 8.7 | 12.6 | 18.1 | 21.8 | 21.1 | 19.8 | 18.2 | 12.6 | 10.3 |
| Min °F | 39.8 | 37.9 | 37.3 | 41.2 | 46.1 | 53.8 | 62.7 | 66.1 | 62.4 | 55.3 | 49.5 | 43.6 |
| Max °F | 43.1 | 40.2 | 40.7 | 45.8 | 52.2 | 61.5 | 68.8 | 68.9 | 66.1 | 62 | 53.2 | 48.5 |