Pocahontas, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.9 °C (low) to 22.1 °C (high). Annual precipitation averages 1456.2 Millimeters. Pocahontas is located in USDA Plant Hardiness Zone 8a. 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 | -0.9 °C | 9.9 °C | 118.87 mm |
| February | 0.6 °C | 12.5 °C | 128.78 mm |
| March | 4.6 °C | 17.4 °C | 142.49 mm |
| April | 9.3 °C | 22.6 °C | 142.49 mm |
| May | 14.7 °C | 26.7 °C | 136.65 mm |
| June | 19.1 °C | 30.7 °C | 115.32 mm |
| July | 21 °C | 32.3 °C | 116.08 mm |
| August | 20.1 °C | 32.2 °C | 94.23 mm |
| September | 16.1 °C | 29.2 °C | 104.65 mm |
| October | 9.3 °C | 23.4 °C | 101.85 mm |
| November | 3.6 °C | 16.8 °C | 108.71 mm |
| December | 0.7 °C | 11.4 °C | 146.05 mm |
| Annual | 9.9 °C | 22.1 °C | 1456.17 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 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |