| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 21 - Oct. 31 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 71h - Outer Nashville Basin |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 38472 - Lynnville, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 27 | 30 | 38 | 45 | 54 | 62 | 67 | 65 | 58 | 45 | 37 | 30 | 46 |
| Avg Max Temp (°F) | 48 | 53 | 63 | 72 | 79 | 86 | 89 | 89 | 83 | 73 | 61 | 52 | 71 |
| Avg Precip (In.) | 4.97 | 4.46 | 6.27 | 4.63 | 5.43 | 4.44 | 4.65 | 3.33 | 4.28 | 3.61 | 5.19 | 5.54 | 56.77 |