| 2023 Hardiness Zone: | 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: | 71b - Mitchell Plain |
| Heat Zone Days: | 46 - 60 days Over 86°F |
Annual Climate Data for ZIP Code 47446 - Mitchell, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 20 | 24 | 33 | 42 | 52 | 61 | 65 | 62 | 55 | 43 | 35 | 25 | 43 |
| Avg Max Temp (°F) | 38 | 45 | 55 | 66 | 75 | 83 | 87 | 85 | 79 | 68 | 55 | 43 | 65 |
| Avg Precip (In.) | 2.87 | 2.78 | 4.04 | 4.45 | 5.08 | 4.19 | 4.57 | 4.1 | 3.14 | 3.1 | 4.1 | 3.43 | 45.84 |