| 2023 Hardiness Zone: | 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: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 40004 - Bardstown, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 24 | 27 | 36 | 44 | 53 | 61 | 66 | 64 | 56 | 45 | 37 | 29 | 45 |
| Avg Max Temp (°F) | 42 | 48 | 58 | 68 | 77 | 84 | 88 | 87 | 81 | 70 | 57 | 47 | 67 |
| Avg Precip (In.) | 3.6 | 3.81 | 4.75 | 4.45 | 5.26 | 4.47 | 4.73 | 3.49 | 3.58 | 2.93 | 3.96 | 4.67 | 49.7 |