Milton, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.3 °C (low) to 25.5 °C (high). Annual precipitation averages 1756.9 Millimeters. Milton is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.9 °C | 16.5 °C | 154.94 mm |
| February | 6.6 °C | 18.4 °C | 124.21 mm |
| March | 9.8 °C | 21.6 °C | 139.7 mm |
| April | 13.6 °C | 25.4 °C | 141.48 mm |
| May | 17.9 °C | 29.3 °C | 109.73 mm |
| June | 22.1 °C | 31.9 °C | 195.83 mm |
| July | 23.1 °C | 32.8 °C | 192.28 mm |
| August | 22.9 °C | 32.7 °C | 173.23 mm |
| September | 20.7 °C | 31.1 °C | 157.48 mm |
| October | 14.7 °C | 26.8 °C | 110.49 mm |
| November | 8.9 °C | 21.6 °C | 120.4 mm |
| December | 6.3 °C | 17.9 °C | 137.16 mm |
| Annual | 14.3 °C | 25.5 °C | 1756.93 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |