Harlem Heights, Florida has a Tropical Savanna (Wet and Dry Climate) climate (Köppen classification: Aw). Average annual temperatures range from 19.3 °C (low) to 28.6 °C (high). Annual precipitation averages 1497.8 Millimeters. Harlem Heights is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.7 °C | 23.2 °C | 58.42 mm |
| February | 13.9 °C | 24.5 °C | 51.82 mm |
| March | 15.8 °C | 26.1 °C | 54.86 mm |
| April | 18.6 °C | 28.4 °C | 70.61 mm |
| May | 21.2 °C | 30.7 °C | 93.73 mm |
| June | 23.5 °C | 31.9 °C | 263.65 mm |
| July | 24.3 °C | 32.4 °C | 243.08 mm |
| August | 24.3 °C | 32.6 °C | 254.51 mm |
| September | 23.8 °C | 31.9 °C | 227.08 mm |
| October | 21.5 °C | 29.8 °C | 81.53 mm |
| November | 17.1 °C | 26.8 °C | 47.5 mm |
| December | 14.5 °C | 24.7 °C | 51.05 mm |
| Annual | 19.3 °C | 28.6 °C | 1497.84 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 | Extreme Drought |
| Köppen Climate Classification | Aw - Tropical Savanna (Wet and Dry Climate) |