| 2023 Hardiness Zone: | Zone 10a: 30°F to 35°F | |
| 2012 Hardiness Zone: | Zone 9b: 25°F to 30°F | |
| 1990 Hardiness Zone: | Zone 9a: 20F to 25F | |
| Average First Frost Date: | Frost Rare | |
| Average Last Frost Date: | Frost Rare | |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate | |
| Ecoregion: | 34h - Mid-Coast Barrier Islands and Coastal Marshes | |
| Current Drought Status: | Exceptional Drought | |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 77554 - Galveston, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 48 | 50 | 57 | 64 | 71 | 77 | 79 | 79 | 74 | 67 | 58 | 50 | 65 |
| Avg Max Temp (°F) | 61 | 64 | 69 | 75 | 81 | 87 | 89 | 89 | 86 | 79 | 70 | 63 | 76 |
| Avg Precip (In.) | 4.2 | 2.67 | 2.85 | 2.72 | 3.92 | 4.29 | 3.72 | 4.29 | 6.11 | 3.63 | 3.88 | 3.59 | 45.87 |