Clearwater, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 66.2 °F (low) to 80.5 °F (high). Annual precipitation averages 56 Inches. Clearwater is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 52.4 °F | 69.2 °F | 2.94 in. |
| February | 55.3 °F | 71.3 °F | 2.63 in. |
| March | 59.6 °F | 75.1 °F | 3.22 in. |
| April | 65.3 °F | 79.8 °F | 2.85 in. |
| May | 71.0 °F | 84.7 °F | 2.98 in. |
| June | 75.5 °F | 87.9 °F | 7.65 in. |
| July | 76.7 °F | 88.7 °F | 9.31 in. |
| August | 76.9 °F | 89.2 °F | 9.54 in. |
| September | 75.1 °F | 88.0 °F | 7.18 in. |
| October | 69.6 °F | 83.4 °F | 2.61 in. |
| November | 61.0 °F | 76.7 °F | 2.2 in. |
| December | 55.6 °F | 71.7 °F | 2.88 in. |
| Annual | 66.2 °F | 80.5 °F | 55.99 in. |
| Average First Frost Date | Frost Rare |
| 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |