Freeport, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.2 °C (low) to 25.5 °C (high). Annual precipitation averages 1679.7 Millimeters. Freeport 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 | 4.9 °C | 16.8 °C | 131.83 mm |
| February | 6.5 °C | 18.7 °C | 131.57 mm |
| March | 9.7 °C | 21.8 °C | 139.7 mm |
| April | 13.3 °C | 25.2 °C | 131.83 mm |
| May | 17.6 °C | 29.1 °C | 100.84 mm |
| June | 21.9 °C | 31.5 °C | 166.88 mm |
| July | 23 °C | 32.3 °C | 191.77 mm |
| August | 22.9 °C | 32.1 °C | 194.31 mm |
| September | 20.7 °C | 30.9 °C | 150.37 mm |
| October | 14.9 °C | 27.2 °C | 100.84 mm |
| November | 8.9 °C | 22.1 °C | 111 mm |
| December | 6.4 °C | 18.2 °C | 128.78 mm |
| Annual | 14.2 °C | 25.5 °C | 1679.72 mm |
| 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 : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |