Southgate, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 18 °C (low) to 28.3 °C (high). Annual precipitation averages 1360.4 Millimeters. Southgate is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11 °C | 22.3 °C | 65.79 mm |
| February | 12.3 °C | 23.4 °C | 54.61 mm |
| March | 14.2 °C | 25.3 °C | 80.77 mm |
| April | 16.8 °C | 27.9 °C | 70.87 mm |
| May | 19.9 °C | 30.7 °C | 77.98 mm |
| June | 22.8 °C | 32.2 °C | 202.18 mm |
| July | 23.6 °C | 32.7 °C | 187.45 mm |
| August | 23.8 °C | 32.9 °C | 241.81 mm |
| September | 23.1 °C | 32.1 °C | 197.1 mm |
| October | 19.9 °C | 29.8 °C | 75.69 mm |
| November | 15.4 °C | 26.2 °C | 43.43 mm |
| December | 12.8 °C | 23.6 °C | 62.74 mm |
| Annual | 18 °C | 28.3 °C | 1360.42 mm |
| Average First Frost Date | No Frost |
| Average Last Frost Date | |
| Average Days With Frost | Frost Free |
| 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 |