| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F |
| 2012 Hardiness Zone: | 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: | 67g - Southern Shale Valleys |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 37809 - Midway, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 26 | 33 | 40 | 50 | 59 | 64 | 62 | 55 | 42 | 33 | 26 | 43 |
| Avg Max Temp (°F) | 46 | 51 | 60 | 69 | 77 | 84 | 87 | 86 | 81 | 71 | 60 | 50 | 69 |
| Avg Precip (In.) | 3.68 | 3.46 | 4.31 | 3.67 | 4.59 | 4.03 | 4.47 | 3.69 | 3.24 | 2.35 | 3.09 | 3.49 | 44.05 |