Panola, Illinois has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.1 °F (low) to 61.6 °F (high). Annual precipitation averages 37.7 Inches. Panola is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.1 °F | 32.5 °F | 2.13 in. |
| February | 19.5 °F | 37.2 °F | 1.89 in. |
| March | 29.0 °F | 49.4 °F | 2.61 in. |
| April | 39.7 °F | 62.7 °F | 3.66 in. |
| May | 51.4 °F | 73.7 °F | 4.53 in. |
| June | 61.0 °F | 82.5 °F | 4.13 in. |
| July | 64.2 °F | 85.4 °F | 3.85 in. |
| August | 62.1 °F | 83.7 °F | 3.51 in. |
| September | 54.1 °F | 78.5 °F | 3.46 in. |
| October | 42.7 °F | 65.7 °F | 3.14 in. |
| November | 31.5 °F | 50.3 °F | 2.65 in. |
| December | 21.8 °F | 37.7 °F | 2.09 in. |
| Annual | 41.1 °F | 61.6 °F | 37.65 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |