Vernon, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 55.9 °F (low) to 78.7 °F (high). Annual precipitation averages 64 Inches. Vernon is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 39.0 °F | 62.6 °F | 5.09 in. |
| February | 42.1 °F | 66.4 °F | 5.07 in. |
| March | 47.6 °F | 73.0 °F | 5.61 in. |
| April | 53.9 °F | 78.8 °F | 5.22 in. |
| May | 62.0 °F | 85.9 °F | 3.96 in. |
| June | 69.8 °F | 90.0 °F | 6.82 in. |
| July | 72.2 °F | 91.4 °F | 7.22 in. |
| August | 71.9 °F | 90.8 °F | 6.79 in. |
| September | 67.5 °F | 88.1 °F | 5.56 in. |
| October | 56.9 °F | 81.2 °F | 3.53 in. |
| November | 46.0 °F | 71.7 °F | 4.14 in. |
| December | 41.8 °F | 64.9 °F | 5.01 in. |
| Annual | 55.9 °F | 78.7 °F | 64.02 in. |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| Average Days With Frost | 20-30 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 |