| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°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: | 71e - Western Pennyroyal Karst Plain |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 37172 - Springfield, TN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 27 | 36 | 44 | 54 | 62 | 66 | 64 | 57 | 45 | 37 | 28 | 45 |
| Avg Max Temp (°F) | 44 | 49 | 59 | 69 | 77 | 85 | 89 | 88 | 82 | 71 | 59 | 48 | 68 |
| Avg Precip (In.) | 4.02 | 4.03 | 5.18 | 4.22 | 5.41 | 4.5 | 4.15 | 3.16 | 3.71 | 3.29 | 4.44 | 4.94 | 51.06 |