Monthly Southend-on-Sea water temperature chart
The bar chart below shows the average monthly sea temperatures at Southend-on-Sea over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 7.8 | 7.6 | 7.2 | 9.1 | 11.3 | 13.9 | 15.8 | 17.3 | 17.4 | 15.8 | 13.8 | 10.8 |
| °F | 46 | 45.7 | 45 | 48.4 | 52.3 | 57 | 60.4 | 63.1 | 63.3 | 60.4 | 56.8 | 51.4 |
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 | 6.1 | 5.9 | 5.6 | 7.5 | 9.7 | 12.2 | 14.5 | 16 | 16.1 | 14.4 | 11.8 | 8.5 |
| Max °C | 9.5 | 9.4 | 8.9 | 10.7 | 12.9 | 15.7 | 17.1 | 18.6 | 18.7 | 17.2 | 15.8 | 13.1 |
| Min °F | 44.3 | 44 | 43.4 | 46.8 | 50.7 | 55.3 | 59.1 | 61.8 | 62 | 59 | 54.8 | 49.1 |
| Max °F | 47.7 | 47.5 | 46.7 | 50 | 53.9 | 58.8 | 61.7 | 64.4 | 64.6 | 61.8 | 58.8 | 53.7 |