Homosassa, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16.9 °C (low) to 26.9 °C (high). Annual precipitation averages 1417.3 Millimeters. Homosassa is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Frost Rare through the first frost around Jan. 21 - Jan. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.6 °C | 20 °C | 82.55 mm |
| February | 10.2 °C | 21.3 °C | 82.55 mm |
| March | 12.9 °C | 23.7 °C | 84.58 mm |
| April | 16.2 °C | 26.4 °C | 64.77 mm |
| May | 19.7 °C | 29.6 °C | 75.69 mm |
| June | 23 °C | 31.2 °C | 216.15 mm |
| July | 23.8 °C | 31.9 °C | 222 mm |
| August | 23.8 °C | 31.9 °C | 226.57 mm |
| September | 22 °C | 31.8 °C | 167.89 mm |
| October | 18.4 °C | 28.7 °C | 65.02 mm |
| November | 13.6 °C | 24.4 °C | 50.8 mm |
| December | 10.6 °C | 21.4 °C | 78.74 mm |
| Annual | 16.9 °C | 26.9 °C | 1417.31 mm |
| Average First Frost Date | Jan. 21 - Jan. 31 |
| Average Last Frost Date | Frost Rare |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |