Holley, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 59.3 °F (low) to 76.9 °F (high). Annual precipitation averages 67.7 Inches. Holley 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 Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 42.4 °F | 60.6 °F | 5.74 in. |
| February | 45.4 °F | 64.0 °F | 5.04 in. |
| March | 51.4 °F | 69.7 °F | 5.27 in. |
| April | 58.0 °F | 76.0 °F | 5.65 in. |
| May | 65.8 °F | 83.4 °F | 3.97 in. |
| June | 73.0 °F | 88.3 °F | 6.56 in. |
| July | 74.6 °F | 90.1 °F | 7.53 in. |
| August | 74.7 °F | 89.7 °F | 7.62 in. |
| September | 70.7 °F | 87.5 °F | 6.28 in. |
| October | 60.5 °F | 80.1 °F | 4.31 in. |
| November | 49.7 °F | 70.2 °F | 4.55 in. |
| December | 45.0 °F | 63.4 °F | 5.19 in. |
| Annual | 59.3 °F | 76.9 °F | 67.71 in. |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| 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 |