Monthly Oceanside water temperature chart
The bar chart below shows the average monthly sea temperatures at Oceanside over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 14.7 | 14.8 | 14.7 | 15.3 | 16.8 | 18.3 | 19.8 | 19.8 | 19.3 | 18.1 | 16.9 | 15.7 |
| °F | 58.5 | 58.6 | 58.5 | 59.5 | 62.2 | 64.9 | 67.6 | 67.6 | 66.7 | 64.6 | 62.4 | 60.3 |
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 | 13.6 | 13.8 | 13.1 | 13.9 | 15 | 16.2 | 18.1 | 18.6 | 17.7 | 16.6 | 15.8 | 14.6 |
| Max °C | 15.8 | 15.9 | 16.4 | 16.8 | 18.6 | 20.5 | 21.6 | 21.1 | 21 | 19.7 | 18.1 | 16.8 |
| Min °F | 57.4 | 57.6 | 56.9 | 58.1 | 60.4 | 62.8 | 65.9 | 66.4 | 65.1 | 63.1 | 61.3 | 59.2 |
| Max °F | 59.6 | 59.7 | 60.2 | 61 | 64 | 67.1 | 69.4 | 68.9 | 68.4 | 66.2 | 63.6 | 61.4 |