Melbourne, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 65.3 °F (low) to 81.3 °F (high). Annual precipitation averages 54.6 Inches. Melbourne is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 52.6 °F | 71.2 °F | 2.77 in. |
| February | 54.9 °F | 73.3 °F | 2.51 in. |
| March | 58.8 °F | 76.4 °F | 2.91 in. |
| April | 63.8 °F | 80.4 °F | 2.57 in. |
| May | 68.9 °F | 84.5 °F | 3.69 in. |
| June | 73.1 °F | 87.8 °F | 7.54 in. |
| July | 74.2 °F | 89.6 °F | 6.65 in. |
| August | 74.9 °F | 89.4 °F | 7.52 in. |
| September | 74.1 °F | 87.7 °F | 7.88 in. |
| October | 70.0 °F | 83.4 °F | 5.17 in. |
| November | 62.0 °F | 77.9 °F | 2.79 in. |
| December | 56.2 °F | 73.4 °F | 2.57 in. |
| Annual | 65.3 °F | 81.3 °F | 54.57 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 9b : 25°F to 20°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |