Havana, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.3 °C (low) to 25.9 °C (high). Annual precipitation averages 1457.2 Millimeters. Havana is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 3.9 °C | 16.9 °C | 123.7 mm |
| February | 5.6 °C | 19.1 °C | 118.11 mm |
| March | 8.7 °C | 22.7 °C | 131.06 mm |
| April | 12.2 °C | 26.1 °C | 108.71 mm |
| May | 16.9 °C | 30.1 °C | 84.33 mm |
| June | 20.8 °C | 32.3 °C | 155.96 mm |
| July | 21.9 °C | 33 °C | 163.07 mm |
| August | 22 °C | 32.6 °C | 158.24 mm |
| September | 19.8 °C | 30.9 °C | 134.37 mm |
| October | 14.2 °C | 27.1 °C | 80.01 mm |
| November | 8.3 °C | 22 °C | 91.44 mm |
| December | 5.6 °C | 18.2 °C | 108.2 mm |
| Annual | 13.3 °C | 25.9 °C | 1457.2 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 20-30 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |