Palm Bay, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 18.4 °C (low) to 27.5 °C (high). Annual precipitation averages 1457.7 Millimeters. Palm Bay is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.5 °C | 22 °C | 69.34 mm |
| February | 12.7 °C | 23.1 °C | 69.85 mm |
| March | 14.8 °C | 24.8 °C | 77.98 mm |
| April | 17.6 °C | 27.1 °C | 68.83 mm |
| May | 20.5 °C | 29.4 °C | 99.82 mm |
| June | 22.8 °C | 31.2 °C | 205.23 mm |
| July | 23.3 °C | 32.1 °C | 181.1 mm |
| August | 23.7 °C | 32.1 °C | 194.82 mm |
| September | 23.2 °C | 31 °C | 206.25 mm |
| October | 21.1 °C | 28.7 °C | 136.14 mm |
| November | 16.6 °C | 25.6 °C | 77.47 mm |
| December | 13.4 °C | 23.2 °C | 70.87 mm |
| Annual | 18.4 °C | 27.5 °C | 1457.7 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |