Panola, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 22.9 °C (high). Annual precipitation averages 1238 Millimeters. Panola is located in USDA Plant Hardiness Zone 7b. 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 | -2.2 °C | 10.6 °C | 72.64 mm |
| February | 0 °C | 12.9 °C | 71.12 mm |
| March | 4.6 °C | 17.8 °C | 100.08 mm |
| April | 9.2 °C | 22.8 °C | 127.76 mm |
| May | 14.8 °C | 26.7 °C | 150.37 mm |
| June | 19.6 °C | 31.3 °C | 119.13 mm |
| July | 21.7 °C | 34.3 °C | 96.52 mm |
| August | 20.8 °C | 34.3 °C | 81.79 mm |
| September | 16.6 °C | 30.2 °C | 113.03 mm |
| October | 10.1 °C | 24.2 °C | 108.46 mm |
| November | 4.4 °C | 17.6 °C | 105.16 mm |
| December | -0.5 °C | 11.9 °C | 91.95 mm |
| Annual | 9.9 °C | 22.9 °C | 1238.01 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |