Indian Harbour Beach, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 66.7 °F (low) to 80.1 °F (high). Annual precipitation averages 52.7 Inches. Indian Harbour Beach is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 54.1 °F | 69.8 °F | 2.79 in. |
| February | 56.4 °F | 71.8 °F | 2.51 in. |
| March | 60.3 °F | 74.7 °F | 2.99 in. |
| April | 65.3 °F | 79.0 °F | 2.71 in. |
| May | 70.4 °F | 83.2 °F | 3.69 in. |
| June | 74.3 °F | 86.6 °F | 6.7 in. |
| July | 75.2 °F | 88.5 °F | 5.96 in. |
| August | 76.0 °F | 88.3 °F | 7.05 in. |
| September | 75.3 °F | 87.0 °F | 7.82 in. |
| October | 71.4 °F | 82.9 °F | 5.28 in. |
| November | 63.5 °F | 77.0 °F | 2.65 in. |
| December | 57.6 °F | 72.3 °F | 2.53 in. |
| Annual | 66.7 °F | 80.1 °F | 52.68 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 10a : 30°F to 25°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |