Elizabethtown, Illinois has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.9 °F (low) to 67.2 °F (high). Annual precipitation averages 48.9 Inches. Elizabethtown is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.7 °F | 42.2 °F | 3.76 in. |
| February | 28.3 °F | 46.9 °F | 3.52 in. |
| March | 36.4 °F | 56.8 °F | 4.64 in. |
| April | 46.0 °F | 68.2 °F | 5.2 in. |
| May | 56.4 °F | 76.9 °F | 5.38 in. |
| June | 64.8 °F | 85.0 °F | 4.46 in. |
| July | 68.4 °F | 88.1 °F | 4.25 in. |
| August | 66.2 °F | 87.1 °F | 3.03 in. |
| September | 58.9 °F | 81.7 °F | 3.14 in. |
| October | 47.0 °F | 70.2 °F | 3.36 in. |
| November | 36.3 °F | 56.8 °F | 4.04 in. |
| December | 28.9 °F | 46.1 °F | 4.15 in. |
| Annual | 46.9 °F | 67.2 °F | 48.93 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |