Tarpon Springs, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 18.5 °C (low) to 27.2 °C (high). Annual precipitation averages 1405.9 Millimeters. Tarpon Springs is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.8 °C | 20.7 °C | 79.76 mm |
| February | 12.3 °C | 22 °C | 65.02 mm |
| March | 14.7 °C | 24.2 °C | 73.91 mm |
| April | 18 °C | 27 °C | 73.91 mm |
| May | 21.2 °C | 29.4 °C | 65.79 mm |
| June | 23.8 °C | 31.3 °C | 184.66 mm |
| July | 24.6 °C | 31.8 °C | 231.39 mm |
| August | 24.6 °C | 32.1 °C | 246.89 mm |
| September | 23.6 °C | 31.7 °C | 194.82 mm |
| October | 20.2 °C | 28.9 °C | 67.06 mm |
| November | 15.3 °C | 24.8 °C | 50.04 mm |
| December | 12.4 °C | 22.1 °C | 72.64 mm |
| Annual | 18.5 °C | 27.2 °C | 1405.89 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 10a : -1.1°C to 1.7°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |