West Palm Beach, Florida has a Tropical Rainforest climate (Köppen classification: Af). Average annual temperatures range from 20.7 °C (low) to 27.9 °C (high). Annual precipitation averages 1650.2 Millimeters. West Palm Beach is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 15.1 °C | 23.3 °C | 95.25 mm |
| February | 16 °C | 24.6 °C | 73.66 mm |
| March | 17.4 °C | 25.4 °C | 99.57 mm |
| April | 20.1 °C | 27.3 °C | 102.36 mm |
| May | 22.2 °C | 28.9 °C | 117.09 mm |
| June | 24.1 °C | 30.8 °C | 234.44 mm |
| July | 24.8 °C | 31.7 °C | 160.53 mm |
| August | 24.9 °C | 31.9 °C | 214.12 mm |
| September | 24.5 °C | 30.7 °C | 216.66 mm |
| October | 22.8 °C | 29.2 °C | 159.26 mm |
| November | 19.3 °C | 26.7 °C | 95 mm |
| December | 16.9 °C | 24.8 °C | 82.3 mm |
| Annual | 20.7 °C | 27.9 °C | 1650.24 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 10b : 1.7°C to 4.4°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Af - Tropical Rainforest |