Delray Beach, Florida has a Tropical Rainforest climate (Köppen classification: Af). Average annual temperatures range from 20.8 °C (low) to 28.2 °C (high). Annual precipitation averages 1515.4 Millimeters. Delray Beach is located in USDA Plant Hardiness Zone 11a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.2 °C | 23.8 °C | 73.66 mm |
| February | 16.2 °C | 24.8 °C | 72.9 mm |
| March | 17.7 °C | 26.1 °C | 75.44 mm |
| April | 20.2 °C | 27.6 °C | 81.53 mm |
| May | 22.3 °C | 29.3 °C | 113.03 mm |
| June | 24.1 °C | 30.9 °C | 213.87 mm |
| July | 24.8 °C | 31.7 °C | 146.05 mm |
| August | 25.1 °C | 31.9 °C | 197.1 mm |
| September | 24.6 °C | 31.1 °C | 214.63 mm |
| October | 22.9 °C | 29.6 °C | 153.67 mm |
| November | 19.5 °C | 26.9 °C | 99.06 mm |
| December | 17.2 °C | 25.1 °C | 74.42 mm |
| Annual | 20.8 °C | 28.2 °C | 1515.36 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 | Af - Tropical Rainforest |