| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 1b: -15F to -10F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | May 1 - May 10 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 55f - Whitewater Interlobate Area |
| Heat Zone Days: | 1 - 7 days Over 86°F |
Annual Climate Data for ZIP Code 47330 - Centerville, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 16 | 20 | 29 | 38 | 49 | 58 | 62 | 59 | 52 | 40 | 32 | 22 | 40 |
| Avg Max Temp (°F) | 33 | 38 | 50 | 61 | 72 | 81 | 84 | 82 | 76 | 64 | 50 | 38 | 61 |
| Avg Precip (In.) | 2.47 | 2.29 | 3.22 | 3.93 | 4.63 | 4.26 | 4.09 | 3.61 | 2.69 | 2.91 | 3.4 | 3.01 | 40.5 |