| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°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: | 71d - Outer Bluegrass |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 40069 - Springfield, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 23 | 26 | 34 | 42 | 52 | 60 | 65 | 63 | 56 | 43 | 35 | 27 | 44 |
| Avg Max Temp (°F) | 43 | 48 | 58 | 68 | 76 | 84 | 88 | 87 | 81 | 70 | 58 | 47 | 67 |
| Avg Precip (In.) | 3.72 | 3.75 | 4.48 | 4.02 | 5.14 | 4.43 | 4.39 | 3.69 | 3.8 | 3.14 | 3.7 | 4.39 | 48.64 |