Branford, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13.9 °C (low) to 26.8 °C (high). Annual precipitation averages 1364.5 Millimeters. Branford is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 4.8 °C | 18.9 °C | 105.66 mm |
| February | 6.5 °C | 20.8 °C | 85.09 mm |
| March | 9.2 °C | 24.1 °C | 101.35 mm |
| April | 12.6 °C | 27 °C | 73.41 mm |
| May | 16.7 °C | 30.7 °C | 76.45 mm |
| June | 20.9 °C | 32.3 °C | 186.94 mm |
| July | 22.1 °C | 32.9 °C | 189.99 mm |
| August | 22.2 °C | 32.6 °C | 196.09 mm |
| September | 20.4 °C | 31.3 °C | 141.22 mm |
| October | 15.1 °C | 27.7 °C | 77.98 mm |
| November | 9.3 °C | 23.5 °C | 52.07 mm |
| December | 6.4 °C | 20.2 °C | 78.23 mm |
| Annual | 13.9 °C | 26.8 °C | 1364.48 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |