| 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 6a: -10F to -5F |
| 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: | 72h - Caseyville Hills |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 42210 - Brownsville, KY | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 25 | 34 | 42 | 51 | 60 | 65 | 63 | 56 | 44 | 35 | 27 | 44 |
| Avg Max Temp (°F) | 43 | 49 | 59 | 69 | 77 | 85 | 89 | 88 | 82 | 71 | 59 | 48 | 68 |
| Avg Precip (In.) | 4 | 4.09 | 4.61 | 4.3 | 5.48 | 4.58 | 4.56 | 3.27 | 4.12 | 2.92 | 4.28 | 5.02 | 51.21 |