Brandon, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 62.2 °F (low) to 83.3 °F (high). Annual precipitation averages 57.6 Inches. Brandon is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 48.2 °F | 71.8 °F | 3.07 in. |
| February | 50.9 °F | 74.4 °F | 2.55 in. |
| March | 54.9 °F | 78.4 °F | 2.8 in. |
| April | 60.7 °F | 83.8 °F | 2.78 in. |
| May | 66.6 °F | 88.8 °F | 3.58 in. |
| June | 71.9 °F | 91.0 °F | 9.4 in. |
| July | 73.4 °F | 91.5 °F | 8.82 in. |
| August | 73.9 °F | 91.6 °F | 9.44 in. |
| September | 72.1 °F | 90.3 °F | 7.73 in. |
| October | 65.3 °F | 85.4 °F | 2.96 in. |
| November | 56.6 °F | 78.9 °F | 1.88 in. |
| December | 51.5 °F | 74.1 °F | 2.62 in. |
| Annual | 62.2 °F | 83.3 °F | 57.63 in. |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : 25°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |