Monthly Negombo water temperature chart
The bar chart below shows the average monthly sea temperatures at Negombo over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 27.4 | 28.0 | 28.8 | 29.6 | 29.4 | 28.3 | 27.3 | 26.9 | 27.6 | 28.5 | 28.6 | 27.8 |
| °F | 81.3 | 82.4 | 83.8 | 85.3 | 84.9 | 82.9 | 81.1 | 80.4 | 81.7 | 83.3 | 83.5 | 82 |
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 | 26.1 | 26.7 | 27.9 | 28.5 | 28.6 | 27 | 26.2 | 25.6 | 26.3 | 27.1 | 27.5 | 26.6 |
| Max °C | 28.7 | 29.3 | 29.7 | 30.7 | 30.3 | 29.6 | 28.5 | 28.3 | 28.9 | 30 | 29.8 | 29 |
| Min °F | 80 | 81.1 | 82.9 | 84.2 | 84.1 | 81.6 | 80 | 79.1 | 80.4 | 81.9 | 82.4 | 80.8 |
| Max °F | 82.6 | 83.7 | 84.7 | 86.4 | 85.8 | 84.2 | 82.3 | 81.8 | 83 | 84.8 | 84.7 | 83.2 |