Butler, Georgia has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.8 °C (low) to 24.1 °C (high). Annual precipitation averages 1263.7 Millimeters. Butler is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 2 °C | 14.1 °C | 114.81 mm |
| February | 3.6 °C | 16.3 °C | 109.73 mm |
| March | 7.1 °C | 20.6 °C | 119.89 mm |
| April | 10.9 °C | 24.3 °C | 96.52 mm |
| May | 15.9 °C | 28.7 °C | 73.91 mm |
| June | 19.9 °C | 31.3 °C | 124.21 mm |
| July | 21.4 °C | 32.5 °C | 123.44 mm |
| August | 21.2 °C | 32.2 °C | 112.01 mm |
| September | 18.2 °C | 29.7 °C | 104.65 mm |
| October | 11.9 °C | 24.7 °C | 74.17 mm |
| November | 6.4 °C | 19.7 °C | 90.93 mm |
| December | 3.4 °C | 15.2 °C | 119.38 mm |
| Annual | 11.8 °C | 24.1 °C | 1263.65 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |