Brownsdale, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 13 °C (low) to 25.2 °C (high). Annual precipitation averages 1722.4 Millimeters. Brownsdale 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 | 3.6 °C | 15.8 °C | 152.65 mm |
| February | 5.2 °C | 18.2 °C | 125.48 mm |
| March | 8.6 °C | 21.8 °C | 144.53 mm |
| April | 12.2 °C | 25.3 °C | 137.67 mm |
| May | 16.9 °C | 29.2 °C | 114.55 mm |
| June | 21 °C | 31.8 °C | 180.59 mm |
| July | 21.8 °C | 32.6 °C | 189.23 mm |
| August | 21.5 °C | 32.3 °C | 171.45 mm |
| September | 19.1 °C | 30.6 °C | 147.57 mm |
| October | 13.2 °C | 26.4 °C | 103.38 mm |
| November | 7.3 °C | 21.1 °C | 118.36 mm |
| December | 5.1 °C | 17.1 °C | 136.91 mm |
| Annual | 13 °C | 25.2 °C | 1722.37 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 30-40 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 |