| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F |
| 2012 Hardiness Zone: | 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: | 56a - Lake Country |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 46723 - Churubusco, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 18 | 27 | 37 | 48 | 58 | 62 | 60 | 52 | 41 | 32 | 21 | 39 |
| Avg Max Temp (°F) | 30 | 35 | 46 | 59 | 71 | 80 | 83 | 81 | 75 | 62 | 48 | 36 | 59 |
| Avg Precip (In.) | 1.99 | 1.77 | 2.72 | 3.51 | 3.74 | 4.15 | 3.8 | 3.58 | 3.26 | 2.74 | 3.14 | 2.74 | 37.13 |