Winter Beach, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 18.6 °C (low) to 27.6 °C (high). Annual precipitation averages 1432.1 Millimeters. Winter Beach is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 11.9 °C | 22.3 °C | 71.88 mm |
| February | 13 °C | 23.4 °C | 66.8 mm |
| March | 15 °C | 24.9 °C | 83.06 mm |
| April | 17.7 °C | 27.1 °C | 70.1 mm |
| May | 20.5 °C | 29.1 °C | 101.35 mm |
| June | 22.9 °C | 31 °C | 183.39 mm |
| July | 23.5 °C | 32 °C | 146.81 mm |
| August | 23.8 °C | 31.8 °C | 205.74 mm |
| September | 23.5 °C | 30.9 °C | 215.9 mm |
| October | 21.2 °C | 28.8 °C | 137.67 mm |
| November | 16.8 °C | 25.8 °C | 82.55 mm |
| December | 13.8 °C | 23.6 °C | 66.8 mm |
| Annual | 18.6 °C | 27.6 °C | 1432.05 mm |
| Average First Frost Date | No Frost |
| 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 10a : -1.1°C to 1.7°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |