| 2023 Hardiness Zone: | Zone 6a: -10°F to -5°F Zone 5b: -15°F to -10°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: | Nov. 1 - Nov. 10 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Dfa - Humid Continental Hot Summers |
| Ecoregion: | 56b - Elkhart Till Plains |
| Heat Zone Days: | Rare Over 86°F |
Annual Climate Data for ZIP Code 46350 - La Porte, IN | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 15 | 20 | 29 | 39 | 50 | 59 | 64 | 62 | 55 | 43 | 33 | 22 | 41 |
| Avg Max Temp (°F) | 30 | 35 | 46 | 58 | 70 | 79 | 83 | 81 | 74 | 62 | 47 | 35 | 58 |
| Avg Precip (In.) | 2.26 | 1.87 | 3.01 | 3.57 | 3.53 | 4.43 | 3.82 | 4.08 | 3.86 | 3.2 | 3.74 | 3.16 | 40.52 |