| 2023 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7b: 5°F to 10°F Zone 7a: 0°F to 5°F |
| 2012 Hardiness Zone: | Zone 6b: -5°F to 0°F Zone 7a: 0°F to 5°F |
| 1990 Hardiness Zone: | Zone 6b: -5F to 0F |
| Average First Frost Date: | Oct. 11 - Oct. 20 |
| Average Last Frost Date: | Apr. 21 - Apr. 30 |
| Koppen-Geiger Climate Zone: | Cfa - Humid Subtropical Climate |
| Ecoregion: | 71n - Southern Shawnee Hills |
| Heat Zone Days: | 61 - 90 days Over 86°F |
Annual Climate Data for ZIP Code 62931 - Elizabethtown, IL | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Annual |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Avg Min Temp (°F) | 22 | 26 | 35 | 44 | 53 | 62 | 66 | 64 | 56 | 44 | 36 | 27 | 45 |
| Avg Max Temp (°F) | 42 | 48 | 58 | 69 | 77 | 85 | 89 | 88 | 81 | 71 | 57 | 46 | 67 |
| Avg Precip (In.) | 3.44 | 3.65 | 4.67 | 4.65 | 4.98 | 4.16 | 4.13 | 3.38 | 3.2 | 3.09 | 4.41 | 4.2 | 47.95 |