Sherwood, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.9 °C (low) to 21.5 °C (high). Annual precipitation averages 1545.3 Millimeters. Sherwood is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.5 °C | 9.6 °C | 135.38 mm |
| February | 0.1 °C | 12.1 °C | 143.26 mm |
| March | 3.7 °C | 16.8 °C | 142.49 mm |
| April | 8 °C | 22.1 °C | 142.24 mm |
| May | 13.2 °C | 26.1 °C | 120.65 mm |
| June | 17.7 °C | 29.8 °C | 129.79 mm |
| July | 19.8 °C | 31.5 °C | 135.13 mm |
| August | 19.2 °C | 31.2 °C | 102.62 mm |
| September | 15.5 °C | 28.4 °C | 113.03 mm |
| October | 8.7 °C | 22.8 °C | 93.47 mm |
| November | 2.7 °C | 16.3 °C | 121.67 mm |
| December | 0.1 °C | 11.5 °C | 165.61 mm |
| Annual | 8.9 °C | 21.5 °C | 1545.34 mm |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 |