Williford, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.9 °C (low) to 21.3 °C (high). Annual precipitation averages 1274.6 Millimeters. Williford 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 | -2.8 °C | 8.2 °C | 89.92 mm |
| February | -1.1 °C | 10.9 °C | 91.44 mm |
| March | 3.3 °C | 16.1 °C | 119.13 mm |
| April | 8.4 °C | 21.8 °C | 136.65 mm |
| May | 13.9 °C | 26.3 °C | 135.64 mm |
| June | 18.7 °C | 30.8 °C | 91.19 mm |
| July | 20.7 °C | 32.7 °C | 97.03 mm |
| August | 19.7 °C | 32.3 °C | 98.04 mm |
| September | 15.3 °C | 28.7 °C | 96.01 mm |
| October | 8.6 °C | 22.9 °C | 98.81 mm |
| November | 2.9 °C | 15.5 °C | 117.35 mm |
| December | -1.2 °C | 9.5 °C | 103.38 mm |
| Annual | 8.9 °C | 21.3 °C | 1274.59 mm |
| 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |