Monthly Galveston water temperature chart
The bar chart below shows the average monthly sea temperatures at Galveston over the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| °C | 13.6 | 14.1 | 17.1 | 21.8 | 25.2 | 28.8 | 30.0 | 30.6 | 28.6 | 25.3 | 20.4 | 15.6 |
| °F | 56.5 | 57.4 | 62.8 | 71.2 | 77.4 | 83.8 | 86 | 87.1 | 83.5 | 77.5 | 68.7 | 60.1 |
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 | 11.3 | 10.5 | 12.8 | 18 | 22.3 | 26.7 | 28.7 | 29.3 | 26.2 | 22 | 17.4 | 13.3 |
| Max °C | 16 | 17.8 | 21.4 | 25.6 | 28.1 | 31 | 31.4 | 32 | 31.1 | 28.7 | 23.5 | 17.9 |
| Min °F | 54.2 | 53.8 | 58.5 | 67.4 | 74.5 | 81.7 | 84.7 | 85.8 | 81.1 | 74.2 | 65.7 | 57.8 |
| Max °F | 58.9 | 61.1 | 67.1 | 75 | 80.3 | 86 | 87.4 | 88.5 | 86 | 80.9 | 71.8 | 62.4 |