Stephens, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.8 °C (low) to 23.8 °C (high). Annual precipitation averages 1400.3 Millimeters. Stephens is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.2 °C | 12.6 °C | 112.78 mm |
| February | 1.8 °C | 14.8 °C | 118.62 mm |
| March | 5.8 °C | 19.6 °C | 140.97 mm |
| April | 10.1 °C | 24 °C | 141.22 mm |
| May | 15.5 °C | 27.8 °C | 132.59 mm |
| June | 19.8 °C | 31.8 °C | 108.71 mm |
| July | 21.7 °C | 33.8 °C | 94.74 mm |
| August | 20.9 °C | 33.8 °C | 85.6 mm |
| September | 17.1 °C | 30.7 °C | 95 mm |
| October | 10.3 °C | 24.9 °C | 122.43 mm |
| November | 4.8 °C | 18.4 °C | 107.95 mm |
| December | 1.4 °C | 13.7 °C | 139.7 mm |
| Annual | 10.8 °C | 23.8 °C | 1400.31 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |