| 2023 Hardiness Zone: | Zone 8a: 10°F to 15°F Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 1990 Hardiness Zone: | Zone 7a: 0F to 5F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 71g - Eastern Highland Rim |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 35673 - Trinity, AL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 30 | 33 | 40 | 47 | 57 | 64 | 68 | 67 | 60 | 48 | 39 | 33 | 49 |
| Avg Max Temp (°F) | 50 | 55 | 64 | 73 | 80 | 87 | 90 | 90 | 84 | 74 | 62 | 53 | 72 |
| Avg Precip (In.) | 5.49 | 4.78 | 6.47 | 4.78 | 5.13 | 4.61 | 4.53 | 3.27 | 4.21 | 3.58 | 5.12 | 5.67 | 57.62 |