Sherwood, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.8 °C (low) to 22.4 °C (high). Annual precipitation averages 1363.5 Millimeters. Sherwood is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -0.6 °C | 10.1 °C | 100.33 mm |
| February | 1.1 °C | 12.7 °C | 105.66 mm |
| March | 5.4 °C | 17.4 °C | 130.56 mm |
| April | 10.3 °C | 22.7 °C | 145.03 mm |
| May | 15.8 °C | 26.9 °C | 143.76 mm |
| June | 20.4 °C | 31.3 °C | 89.41 mm |
| July | 22.2 °C | 33.3 °C | 96.01 mm |
| August | 21.4 °C | 33.2 °C | 86.36 mm |
| September | 17.3 °C | 29.7 °C | 84.07 mm |
| October | 10.6 °C | 23.7 °C | 116.84 mm |
| November | 4.8 °C | 16.6 °C | 126.49 mm |
| December | 0.9 °C | 11.5 °C | 138.94 mm |
| Annual | 10.8 °C | 22.4 °C | 1363.46 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |