Miston, Tennessee has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.9 °F (low) to 69.6 °F (high). Annual precipitation averages 52.6 Inches. Miston is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 28.8 °F | 45.3 °F | 3.87 in. |
| February | 31.8 °F | 50.2 °F | 4.36 in. |
| March | 39.8 °F | 59.7 °F | 5.03 in. |
| April | 49.2 °F | 70.5 °F | 5.33 in. |
| May | 59.7 °F | 79.2 °F | 5.6 in. |
| June | 67.6 °F | 87.0 °F | 4.24 in. |
| July | 71.0 °F | 89.7 °F | 3.95 in. |
| August | 68.8 °F | 88.8 °F | 3.08 in. |
| September | 61.1 °F | 83.2 °F | 3.5 in. |
| October | 49.4 °F | 72.7 °F | 4.11 in. |
| November | 39.3 °F | 59.4 °F | 4.48 in. |
| December | 32.1 °F | 48.9 °F | 5.04 in. |
| Annual | 49.9 °F | 69.6 °F | 52.59 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |