| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°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. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 72c - Green River-Southern Wabash Lowlands |
| Heat Zone Days: | 31 - 45 days Over 86°F |
Annual Climate Data for ZIP Code 47546 - Jasper, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 21 | 24 | 33 | 43 | 52 | 62 | 66 | 64 | 56 | 44 | 35 | 26 | 44 |
| Avg Max Temp (°F) | 39 | 45 | 56 | 67 | 76 | 84 | 88 | 86 | 80 | 69 | 56 | 44 | 66 |
| Avg Precip (In.) | 2.96 | 2.83 | 4.13 | 4.47 | 4.87 | 4.48 | 4.51 | 3.85 | 3.3 | 3.01 | 4.23 | 3.41 | 46.05 |