| 2023 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 2012 Hardiness Zone: | Zone 5b: -15°F to -10°F |
| 1990 Hardiness Zone: | Zone 5a: -20F to -15F |
| 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: | 54a - Illinois/Indiana Prairies |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 46356 - Lowell, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 13 | 17 | 27 | 37 | 48 | 58 | 62 | 60 | 52 | 40 | 31 | 20 | 39 |
| Avg Max Temp (°F) | 30 | 36 | 47 | 60 | 71 | 80 | 84 | 81 | 75 | 64 | 49 | 35 | 59 |
| Avg Precip (In.) | 1.84 | 1.67 | 2.93 | 4.06 | 4.3 | 4.67 | 3.89 | 3.89 | 3.36 | 2.98 | 3.54 | 2.71 | 39.85 |