Brooksville, Mississippi has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 11.3 °C (low) to 23.5 °C (high). Annual precipitation averages 1425.7 Millimeters. Brooksville is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 0.7 °C | 12 °C | 131.83 mm |
| February | 2.4 °C | 14.7 °C | 135.38 mm |
| March | 6.6 °C | 19.4 °C | 132.59 mm |
| April | 10.8 °C | 23.8 °C | 143 mm |
| May | 15.8 °C | 28.1 °C | 104.9 mm |
| June | 20.2 °C | 31.7 °C | 114.55 mm |
| July | 21.8 °C | 33.2 °C | 117.6 mm |
| August | 21.2 °C | 32.9 °C | 112.27 mm |
| September | 17.7 °C | 30.2 °C | 97.03 mm |
| October | 11 °C | 24.8 °C | 92.71 mm |
| November | 5.2 °C | 18.2 °C | 111.76 mm |
| December | 2.2 °C | 13.5 °C | 132.08 mm |
| Annual | 11.3 °C | 23.5 °C | 1425.7 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8b : -9.4°C to -6.7°C |
| Plant Hardiness Zone - 2012 | Zone 8a : -12.2°C to -9.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |