Milton, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 57.7 °F (low) to 77.9 °F (high). Annual precipitation averages 69.2 Inches. 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 | 40.8 °F | 61.7 °F | 6.1 in. |
| February | 43.8 °F | 65.2 °F | 4.89 in. |
| March | 49.7 °F | 70.9 °F | 5.5 in. |
| April | 56.4 °F | 77.7 °F | 5.57 in. |
| May | 64.3 °F | 84.7 °F | 4.32 in. |
| June | 71.7 °F | 89.5 °F | 7.71 in. |
| July | 73.5 °F | 91.1 °F | 7.57 in. |
| August | 73.3 °F | 90.8 °F | 6.82 in. |
| September | 69.2 °F | 88.0 °F | 6.2 in. |
| October | 58.5 °F | 80.3 °F | 4.35 in. |
| November | 48.0 °F | 70.9 °F | 4.74 in. |
| December | 43.4 °F | 64.2 °F | 5.4 in. |
| Annual | 57.7 °F | 77.9 °F | 69.17 in. |
| 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 : 20°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 8b : 15°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |