Adamsville, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.8 °F (low) to 71.4 °F (high). Annual precipitation averages 56.4 Inches. Adamsville 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 | 29.0 °F | 49.2 °F | 4.76 in. |
| February | 32.1 °F | 54.1 °F | 5.2 in. |
| March | 39.1 °F | 62.9 °F | 5.53 in. |
| April | 47.5 °F | 72.5 °F | 5.59 in. |
| May | 57.4 °F | 80.0 °F | 5.25 in. |
| June | 65.3 °F | 87.1 °F | 4.12 in. |
| July | 68.7 °F | 90.1 °F | 4.33 in. |
| August | 67.2 °F | 89.6 °F | 4.1 in. |
| September | 60.1 °F | 84.3 °F | 3.79 in. |
| October | 48.3 °F | 73.7 °F | 4.02 in. |
| November | 38.2 °F | 61.8 °F | 4.29 in. |
| December | 32.1 °F | 51.9 °F | 5.43 in. |
| Annual | 48.8 °F | 71.4 °F | 56.41 in. |
| 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |