Elizabeth, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 3 °C (low) to 14.3 °C (high). Annual precipitation averages 976.6 Millimeters. Elizabeth is located in USDA Plant Hardiness Zone 5a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -11.7 °C | -2.2 °C | 35.05 mm |
| February | -9.8 °C | 0.2 °C | 41.91 mm |
| March | -3.7 °C | 7.3 °C | 56.64 mm |
| April | 2.3 °C | 14.7 °C | 97.03 mm |
| May | 8.8 °C | 21.2 °C | 111 mm |
| June | 14.4 °C | 26.5 °C | 148.84 mm |
| July | 16.3 °C | 28.2 °C | 116.33 mm |
| August | 15.1 °C | 27.2 °C | 97.54 mm |
| September | 10.4 °C | 23.7 °C | 95.25 mm |
| October | 4.1 °C | 16.6 °C | 74.68 mm |
| November | -2.2 °C | 7.9 °C | 57.66 mm |
| December | -8.2 °C | 0.8 °C | 44.7 mm |
| Annual | 3 °C | 14.3 °C | 976.63 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5a : -28.9°C to -26.1°C |
| Plant Hardiness Zone - 2012 | Zone 5a : -28.9°C to -26.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |