Thonotosassa, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 16.4 °C (low) to 28.6 °C (high). Annual precipitation averages 1434.1 Millimeters. Thonotosassa is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 8.7 °C | 22.1 °C | 78.74 mm |
| February | 10.2 °C | 23.5 °C | 63.75 mm |
| March | 12.1 °C | 25.9 °C | 72.39 mm |
| April | 15.3 °C | 28.8 °C | 71.63 mm |
| May | 18.8 °C | 31.7 °C | 87.88 mm |
| June | 22.1 °C | 32.8 °C | 228.09 mm |
| July | 22.9 °C | 33.1 °C | 217.42 mm |
| August | 23.2 °C | 33.2 °C | 239.01 mm |
| September | 22.2 °C | 32.4 °C | 187.71 mm |
| October | 18.2 °C | 29.6 °C | 75.69 mm |
| November | 13.2 °C | 26.1 °C | 45.72 mm |
| December | 10.4 °C | 23.4 °C | 66.04 mm |
| Annual | 16.4 °C | 28.6 °C | 1434.07 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |