Balm, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16.9 °C (low) to 28.2 °C (high). Annual precipitation averages 1396 Millimeters. Balm is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.4 °C | 22 °C | 74.93 mm |
| February | 11 °C | 23.7 °C | 57.66 mm |
| March | 13 °C | 25.9 °C | 73.41 mm |
| April | 16.2 °C | 28.3 °C | 70.36 mm |
| May | 19.3 °C | 30.9 °C | 87.63 mm |
| June | 22 °C | 32.2 °C | 220.22 mm |
| July | 22.8 °C | 32.7 °C | 215.14 mm |
| August | 23 °C | 32.7 °C | 227.58 mm |
| September | 22.3 °C | 31.8 °C | 178.56 mm |
| October | 18.8 °C | 29.2 °C | 74.42 mm |
| November | 14.1 °C | 25.8 °C | 50.55 mm |
| December | 11.3 °C | 23.3 °C | 65.53 mm |
| Annual | 16.9 °C | 28.2 °C | 1395.99 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |