Monthly Catalina water temperature chart
The bar chart below shows the average monthly sea temperatures at Catalina over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 0.7 | -0.7 | -0.9 | -0.4 | 2.3 | 6.4 | 11.0 | 13.6 | 11.6 | 8.2 | 4.1 | 2.0 |
| °F | 33.3 | 30.7 | 30.4 | 31.3 | 36.1 | 43.5 | 51.8 | 56.5 | 52.9 | 46.8 | 39.4 | 35.6 |
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 | -1.4 | -2.1 | -2 | -1.7 | -0.7 | 3.8 | 6.9 | 11.4 | 8.1 | 5 | 1.5 | -0.7 |
| Max °C | 2.8 | 0.7 | 0.2 | 0.9 | 5.3 | 9 | 15.1 | 15.9 | 15.1 | 11.4 | 6.7 | 4.7 |
| Min °F | 31.2 | 29.3 | 29.4 | 30.1 | 33.2 | 40.9 | 47.7 | 54.3 | 49.4 | 43.6 | 36.8 | 33 |
| Max °F | 35.4 | 32.1 | 31.5 | 32.6 | 39.1 | 46.1 | 55.9 | 58.8 | 56.4 | 50 | 42 | 38.3 |