| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F 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. 11 - Apr. 20 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 71b - Mitchell Plain |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 47124 - Greenville, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 25 | 33 | 42 | 51 | 60 | 64 | 62 | 55 | 43 | 35 | 26 | 43 |
| Avg Max Temp (°F) | 40 | 46 | 57 | 67 | 76 | 84 | 88 | 86 | 80 | 69 | 55 | 44 | 66 |
| Avg Precip (In.) | 3.23 | 3.12 | 4.31 | 4.33 | 4.95 | 4.06 | 4.35 | 3.72 | 3.19 | 2.93 | 3.86 | 3.73 | 45.78 |