| 2023 Hardiness Zone: | Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°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. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 72a - Wabash-Ohio Bottomlands |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 42003 - Paducah, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 26 | 30 | 38 | 46 | 56 | 64 | 68 | 66 | 59 | 47 | 38 | 30 | 47 |
| Avg Max Temp (°F) | 43 | 49 | 59 | 70 | 78 | 87 | 90 | 89 | 82 | 72 | 58 | 47 | 69 |
| Avg Precip (In.) | 3.47 | 3.85 | 4.38 | 4.75 | 4.7 | 4.13 | 4.09 | 3.05 | 3.37 | 3.16 | 4.47 | 4.32 | 47.75 |