Galveston Climate: Weather by Month and Best Time to Visit
Best months for Galveston: April, May, October, March.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | 16°C | 12°C | 122 mm | 10 | – | – | 6.6 |
| February | 17°C | 13°C | 89 mm | 9 | – | – | 7.0 |
| March | 19°C | 16°C | 86 mm | 8 | – | – | 7.6 |
| April | 22°C | 19°C | 88 mm | 7 | – | – | 8.1 |
| May | 26°C | 23°C | 77 mm | 7 | – | – | 8.1 |
| June | 28°C | 26°C | 109 mm | 11 | – | – | 7.5 |
| July | 29°C | 27°C | 96 mm | 12 | – | – | 7.4 |
| August | 30°C | 27°C | 114 mm | 13 | – | – | 7.1 |
| September | 28°C | 26°C | 160 mm | 13 | – | – | 7.0 |
| October | 25°C | 22°C | 119 mm | 9 | – | – | 7.8 |
| November | 21°C | 17°C | 115 mm | 8 | – | – | 7.6 |
| December | 17°C | 13°C | 115 mm | 10 | – | – | 6.8 |