Monthly Greenwich water temperature chart
The bar chart below shows the average monthly sea temperatures at Greenwich over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 23.3 | 23.7 | 23.5 | 22.6 | 21.1 | 19.7 | 19.2 | 18.8 | 18.6 | 19.2 | 20.5 | 22.2 |
| °F | 73.9 | 74.7 | 74.3 | 72.7 | 70 | 67.5 | 66.6 | 65.8 | 65.5 | 66.6 | 68.9 | 72 |
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 | 21.4 | 22.1 | 21.9 | 20.6 | 19.2 | 17.8 | 17.3 | 17.2 | 17.3 | 17.7 | 18.9 | 19.6 |
| Max °C | 25.2 | 25.4 | 25.2 | 24.7 | 23 | 21.6 | 21.2 | 20.5 | 19.9 | 20.8 | 22.2 | 24.9 |
| Min °F | 72 | 73.1 | 72.7 | 70.7 | 68.1 | 65.6 | 64.7 | 64.2 | 64.2 | 65.1 | 67.3 | 69.4 |
| Max °F | 75.8 | 76.4 | 76 | 74.8 | 71.9 | 69.4 | 68.6 | 67.5 | 66.8 | 68.2 | 70.6 | 74.7 |