| 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: | 72b - Glaciated Wabash Lowlands |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 47438 - Jasonville, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 19 | 23 | 32 | 42 | 52 | 61 | 65 | 63 | 55 | 43 | 34 | 24 | 43 |
| Avg Max Temp (°F) | 36 | 42 | 53 | 64 | 75 | 83 | 87 | 85 | 79 | 68 | 53 | 41 | 64 |
| Avg Precip (In.) | 2.45 | 2.54 | 3.74 | 4.17 | 4.89 | 4.1 | 4.59 | 3.79 | 3.28 | 3.02 | 4 | 3.18 | 43.76 |