| 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. 1 - Apr. 10 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 74b - Loess Plains |
| Heat Zone Days: | 91 - 120 days Over 86°F |
Annual Climate Data for ZIP Code 42025 - Benton, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 26 | 30 | 38 | 47 | 56 | 65 | 69 | 67 | 60 | 48 | 40 | 30 | 48 |
| Avg Max Temp (°F) | 44 | 50 | 61 | 71 | 79 | 87 | 91 | 90 | 83 | 72 | 59 | 48 | 70 |
| Avg Precip (In.) | 3.81 | 4.25 | 4.74 | 4.76 | 5.02 | 4.25 | 4.25 | 3.23 | 3.54 | 3.36 | 4.8 | 4.81 | 50.82 |