Indiantown, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 63.7 °F (low) to 83.8 °F (high). Annual precipitation averages 52 Inches. Indiantown is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 52.2 °F | 74.0 °F | 2.13 in. |
| February | 54.0 °F | 77.1 °F | 2.11 in. |
| March | 57.2 °F | 79.7 °F | 2.95 in. |
| April | 61.4 °F | 83.4 °F | 2.69 in. |
| May | 66.4 °F | 87.3 °F | 4.27 in. |
| June | 71.2 °F | 89.7 °F | 7.26 in. |
| July | 72.8 °F | 91.1 °F | 6.23 in. |
| August | 73.3 °F | 91.5 °F | 8.03 in. |
| September | 72.3 °F | 89.5 °F | 7.29 in. |
| October | 67.6 °F | 85.6 °F | 4.68 in. |
| November | 60.5 °F | 80.2 °F | 2.43 in. |
| December | 55.1 °F | 76.4 °F | 1.96 in. |
| Annual | 63.7 °F | 83.8 °F | 52.03 in. |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10a : 30°F to 25°F |
| Plant Hardiness Zone - 2012 | Zone 10a : 30°F to 25°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |