West Melbourne, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 64.6 °F (low) to 82 °F (high). Annual precipitation averages 55.4 Inches. West Melbourne is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 52.0 °F | 71.9 °F | 2.79 in. |
| February | 54.2 °F | 74.1 °F | 2.56 in. |
| March | 58.1 °F | 77.1 °F | 2.97 in. |
| April | 63.0 °F | 81.5 °F | 2.55 in. |
| May | 68.2 °F | 85.7 °F | 3.75 in. |
| June | 72.4 °F | 88.6 °F | 7.8 in. |
| July | 73.6 °F | 90.2 °F | 6.81 in. |
| August | 74.2 °F | 90.2 °F | 7.67 in. |
| September | 73.4 °F | 88.2 °F | 7.99 in. |
| October | 69.3 °F | 84.0 °F | 5.1 in. |
| November | 61.1 °F | 78.2 °F | 2.81 in. |
| December | 55.5 °F | 73.9 °F | 2.55 in. |
| Annual | 64.6 °F | 82 °F | 55.35 in. |
| Average First Frost Date | Frost Rare |
| 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |