Seminole, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 18.9 °C (low) to 27 °C (high). Annual precipitation averages 1428 Millimeters. Seminole is located in USDA Plant Hardiness Zone 10b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.3 °C | 20.7 °C | 81.79 mm |
| February | 12.9 °C | 21.9 °C | 66.8 mm |
| March | 15.2 °C | 24 °C | 82.04 mm |
| April | 18.4 °C | 26.6 °C | 69.85 mm |
| May | 21.5 °C | 29.4 °C | 73.91 mm |
| June | 24.1 °C | 31.3 °C | 200.41 mm |
| July | 24.7 °C | 31.7 °C | 234.95 mm |
| August | 24.8 °C | 31.9 °C | 238.25 mm |
| September | 23.9 °C | 31.3 °C | 188.21 mm |
| October | 20.7 °C | 28.7 °C | 70.61 mm |
| November | 16.1 °C | 24.8 °C | 50.29 mm |
| December | 13.1 °C | 22.2 °C | 70.87 mm |
| Annual | 18.9 °C | 27 °C | 1427.98 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |