Monthly San Isidro water temperature chart
The bar chart below shows the average monthly sea temperatures at San Isidro over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 21.8 | 22.3 | 22.2 | 20.7 | 19.8 | 18.8 | 17.2 | 16.3 | 15.9 | 16.8 | 18.2 | 20.0 |
| °F | 71.2 | 72.1 | 72 | 69.3 | 67.6 | 65.8 | 63 | 61.3 | 60.6 | 62.2 | 64.8 | 68 |
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 | 19.7 | 20.1 | 18.6 | 18.4 | 18.4 | 17 | 15.2 | 15.5 | 14.6 | 15.3 | 16.5 | 18.3 |
| Max °C | 24 | 24.5 | 25.8 | 23.1 | 21.2 | 20.6 | 19.3 | 17.2 | 17.3 | 18.4 | 19.9 | 21.8 |
| Min °F | 69.1 | 69.9 | 68.4 | 67 | 66.2 | 64 | 61 | 60.5 | 59.3 | 60.7 | 63.1 | 66.3 |
| Max °F | 73.4 | 74.3 | 75.6 | 71.7 | 69 | 67.6 | 65.1 | 62.2 | 62 | 63.8 | 66.5 | 69.8 |