Indian Rocks Beach, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 19.3 °C (low) to 25.9 °C (high). Annual precipitation averages 1425.2 Millimeters. Indian Rocks Beach is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.7 °C | 19.7 °C | 78.74 mm |
| February | 13.3 °C | 20.4 °C | 67.06 mm |
| March | 15.7 °C | 22.6 °C | 81.28 mm |
| April | 18.8 °C | 25.3 °C | 71.12 mm |
| May | 22 °C | 28.1 °C | 73.91 mm |
| June | 24.4 °C | 30.1 °C | 197.1 mm |
| July | 25.1 °C | 30.7 °C | 236.47 mm |
| August | 25.2 °C | 31.2 °C | 239.78 mm |
| September | 24.3 °C | 30.4 °C | 186.44 mm |
| October | 21.3 °C | 27.8 °C | 70.1 mm |
| November | 16.7 °C | 23.7 °C | 51.31 mm |
| December | 13.6 °C | 21.1 °C | 71.88 mm |
| Annual | 19.3 °C | 25.9 °C | 1425.19 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| Plant Hardiness Zone | Zone 10b : 1.7°C to 4.4°C |
| Plant Hardiness Zone - 2012 | Zone 10a : -1.1°C to 1.7°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |