Hernando, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 58.9 °F (low) to 81.9 °F (high). Annual precipitation averages 55.4 Inches. Hernando 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. 21 - Dec. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 43.7 °F | 69.7 °F | 3.08 in. |
| February | 46.7 °F | 72.4 °F | 2.99 in. |
| March | 50.6 °F | 77.3 °F | 3.45 in. |
| April | 56.8 °F | 82.1 °F | 2.56 in. |
| May | 63.4 °F | 87.6 °F | 3.37 in. |
| June | 70.1 °F | 90.2 °F | 8.05 in. |
| July | 71.8 °F | 90.8 °F | 8.01 in. |
| August | 72.1 °F | 90.6 °F | 8.49 in. |
| September | 70.2 °F | 89.5 °F | 6.91 in. |
| October | 62.0 °F | 84.2 °F | 3.15 in. |
| November | 52.5 °F | 77.3 °F | 2.06 in. |
| December | 46.9 °F | 71.6 °F | 3.29 in. |
| Annual | 58.9 °F | 81.9 °F | 55.41 in. |
| Average First Frost Date | Dec. 21 - Dec. 31 |
| 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 9a : 20°F to 25°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |