Butler, Tennessee has a Temperate Oceanic Climate climate (Köppen classification: Cfb). Average annual temperatures range from 43.6 °F (low) to 66.2 °F (high). Annual precipitation averages 48.1 Inches. Butler is located in USDA Plant Hardiness Zone 7a. 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 | 25.2 °F | 45.4 °F | 3.8 in. |
| February | 27.7 °F | 49.4 °F | 3.94 in. |
| March | 33.6 °F | 57.8 °F | 3.98 in. |
| April | 41.7 °F | 67.3 °F | 4.86 in. |
| May | 50.9 °F | 74.7 °F | 3.8 in. |
| June | 58.9 °F | 80.7 °F | 4.66 in. |
| July | 62.6 °F | 83.6 °F | 5.51 in. |
| August | 61.3 °F | 82.9 °F | 3.78 in. |
| September | 55.2 °F | 78.2 °F | 2.84 in. |
| October | 43.5 °F | 68.2 °F | 3.32 in. |
| November | 33.5 °F | 58.0 °F | 3.1 in. |
| December | 28.5 °F | 48.6 °F | 4.52 in. |
| Annual | 43.6 °F | 66.2 °F | 48.11 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfb - Temperate Oceanic Climate |