White City, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.3 °F (low) to 63.9 °F (high). Annual precipitation averages 42.5 Inches. White 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. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.8 °F | 36.4 °F | 2.56 in. |
| February | 24.2 °F | 41.8 °F | 2.28 in. |
| March | 33.1 °F | 52.7 °F | 3.12 in. |
| April | 43.5 °F | 64.7 °F | 4.81 in. |
| May | 54.5 °F | 74.5 °F | 5.05 in. |
| June | 63.4 °F | 83.3 °F | 4.34 in. |
| July | 66.7 °F | 86.3 °F | 4.06 in. |
| August | 64.5 °F | 85.4 °F | 3.45 in. |
| September | 56.0 °F | 79.6 °F | 3.38 in. |
| October | 44.7 °F | 67.6 °F | 3.2 in. |
| November | 34.5 °F | 52.9 °F | 3.54 in. |
| December | 25.7 °F | 41.3 °F | 2.66 in. |
| Annual | 44.3 °F | 63.9 °F | 42.45 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 |