| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 6b: -5°F to 0°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 71a - Crawford-Mammoth Cave Uplands |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 47432 - French Lick, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 23 | 32 | 41 | 51 | 60 | 64 | 62 | 54 | 42 | 34 | 24 | 42 |
| Avg Max Temp (°F) | 39 | 45 | 55 | 66 | 75 | 83 | 87 | 86 | 79 | 69 | 55 | 43 | 65 |
| Avg Precip (In.) | 3.12 | 2.91 | 4.24 | 4.57 | 5.16 | 4.37 | 4.52 | 4.07 | 3.29 | 3.08 | 4.25 | 3.52 | 47.11 |