Palm City, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 18.6 °C (low) to 28.2 °C (high). Annual precipitation averages 1493.8 Millimeters. Palm City is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 12.2 °C | 23.1 °C | 69.85 mm |
| February | 13.2 °C | 24.4 °C | 65.02 mm |
| March | 15.1 °C | 25.7 °C | 84.07 mm |
| April | 17.6 °C | 27.8 °C | 80.77 mm |
| May | 20.3 °C | 29.8 °C | 130.56 mm |
| June | 22.7 °C | 31.4 °C | 185.93 mm |
| July | 23.4 °C | 32.4 °C | 160.27 mm |
| August | 23.7 °C | 32.4 °C | 214.88 mm |
| September | 23.2 °C | 31.3 °C | 207.01 mm |
| October | 20.9 °C | 29.3 °C | 143 mm |
| November | 16.9 °C | 26.3 °C | 85.85 mm |
| December | 14.2 °C | 24.4 °C | 66.55 mm |
| Annual | 18.6 °C | 28.2 °C | 1493.76 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |