Beecher City, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.7 °F (low) to 64.2 °F (high). Annual precipitation averages 42.5 Inches. Beecher City is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.3 °F | 36.4 °F | 2.83 in. |
| February | 23.5 °F | 41.4 °F | 2.34 in. |
| March | 32.6 °F | 52.4 °F | 3.04 in. |
| April | 43.0 °F | 65.1 °F | 4.67 in. |
| May | 54.0 °F | 75.1 °F | 4.81 in. |
| June | 63.0 °F | 83.9 °F | 4.8 in. |
| July | 65.9 °F | 87.1 °F | 4.07 in. |
| August | 63.6 °F | 85.9 °F | 3.1 in. |
| September | 55.4 °F | 80.3 °F | 3.01 in. |
| October | 44.1 °F | 68.0 °F | 3.5 in. |
| November | 33.9 °F | 53.0 °F | 3.57 in. |
| December | 25.6 °F | 41.2 °F | 2.71 in. |
| Annual | 43.7 °F | 64.2 °F | 42.45 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |