Hialeah, Florida has a Tropical Monsoon climate (Köppen classification: Am). Average annual temperatures range from 20.8 °C (low) to 28.8 °C (high). Annual precipitation averages 1661.4 Millimeters. Hialeah is located in USDA Plant Hardiness Zone 11a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.1 °C | 24.4 °C | 57.66 mm |
| February | 16.3 °C | 25.5 °C | 60.96 mm |
| March | 17.8 °C | 26.7 °C | 67.82 mm |
| April | 20.2 °C | 28.5 °C | 81.79 mm |
| May | 22.4 °C | 30.2 °C | 144.02 mm |
| June | 24.2 °C | 31.6 °C | 241.81 mm |
| July | 24.8 °C | 32.3 °C | 202.95 mm |
| August | 24.9 °C | 32.5 °C | 225.55 mm |
| September | 24.6 °C | 31.6 °C | 236.22 mm |
| October | 22.8 °C | 29.9 °C | 195.07 mm |
| November | 19.4 °C | 27.3 °C | 83.57 mm |
| December | 17 °C | 25.6 °C | 64.01 mm |
| Annual | 20.8 °C | 28.8 °C | 1661.43 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 11a : 4.4°C to 7.2°C |
| Plant Hardiness Zone - 2012 | Zone 10b : 1.7°C to 4.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Am - Tropical Monsoon |