Hobe Sound, Florida has a Tropical Monsoon climate (Köppen classification: Am). Average annual temperatures range from 20 °C (low) to 28.2 °C (high). Annual precipitation averages 1542.8 Millimeters. Hobe Sound is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 13.9 °C | 23.1 °C | 81.53 mm |
| February | 15 °C | 24.4 °C | 67.31 mm |
| March | 16.5 °C | 25.6 °C | 93.98 mm |
| April | 19.4 °C | 27.7 °C | 83.31 mm |
| May | 21.7 °C | 29.6 °C | 132.59 mm |
| June | 23.7 °C | 31.3 °C | 195.83 mm |
| July | 24.4 °C | 32.2 °C | 154.43 mm |
| August | 24.6 °C | 32.3 °C | 205.49 mm |
| September | 24.1 °C | 31.2 °C | 212.34 mm |
| October | 22.3 °C | 29.3 °C | 150.62 mm |
| November | 18.5 °C | 26.5 °C | 94.74 mm |
| December | 15.8 °C | 24.6 °C | 70.61 mm |
| Annual | 20 °C | 28.2 °C | 1542.78 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 1.7°C to 4.4°C |
| Plant Hardiness Zone - 2012 | Zone 10a : -1.1°C to 1.7°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Am - Tropical Monsoon |