| 2023 Hardiness Zone: | Zone 9b: 25°F to 30°F |
| 2012 Hardiness Zone: | Zone 9a: 20°F to 25°F |
| 1990 Hardiness Zone: | Zone 8b: 15F to 20F |
| Average First Frost Date: | Frost Rare |
| Average Last Frost Date: | Frost Rare |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 34a - Northern Humid Gulf Coastal Prairies |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 77511 - Alvin, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 43 | 46 | 53 | 59 | 67 | 72 | 74 | 73 | 69 | 60 | 52 | 45 | 59 |
| Avg Max Temp (°F) | 62 | 66 | 72 | 78 | 84 | 89 | 92 | 92 | 88 | 81 | 72 | 65 | 79 |
| Avg Precip (In.) | 4.55 | 2.91 | 3.13 | 3.24 | 4.89 | 5.59 | 4.67 | 3.94 | 6.9 | 4.06 | 4.49 | 3.46 | 51.83 |