| 2023 Hardiness Zone: | Zone 8b: 15°F to 20°F |
| 2012 Hardiness Zone: | Zone 8a: 10°F to 15°F |
| 1990 Hardiness Zone: | Zone 8a: 10F to 15F |
| Average First Frost Date: | Nov. 11 - Nov. 20 |
| Average Last Frost Date: | Mar. 21 - Mar. 31 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 29b - Eastern Cross Timbers |
| Heat Zone Days: | 121 - 150 days Over 86°F |
Annual Climate Data for ZIP Code 76009 - Alvarado, TX | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 33 | 37 | 45 | 53 | 62 | 69 | 72 | 71 | 65 | 55 | 44 | 36 | 53 |
| Avg Max Temp (°F) | 56 | 62 | 70 | 77 | 84 | 91 | 96 | 96 | 89 | 80 | 67 | 59 | 77 |
| Avg Precip (In.) | 1.89 | 2.32 | 2.99 | 3.21 | 4.94 | 3.67 | 2.07 | 2.13 | 2.88 | 3.82 | 2.59 | 2.58 | 35.09 |