Galveston is a wet, humid, hot island in the summer, which makes the ocean waves all the more attractive. In winter, Galveston is more temperate, if a little chilly, and for beach-walkers that are less interested in swimming, the mild autumn and spring should be attractive.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | ||
| Avg. High | 62 | 64 | 70 | 75 | 81 | 87 | 89 | 89 | 87 | 80 | 71 | 64 | |
| Avg. Low | 50 | 52 | 58 | 65 | 72 | 78 | 80 | 79 | 76 | 68 | 59 | 52 | |
| Precipitation | 4.1 | 2.6 | 2.8 | 2.6 | 3.7 | 4.0 | 3.5 | 4.2 | 5.8 | 3.5 | 3.6 | 3.5 | |
