Pretty Bayou, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 15.5 °C (low) to 25.3 °C (high). Annual precipitation averages 1512.8 Millimeters. Pretty Bayou is located in USDA Plant Hardiness Zone 9b. The growing season typically runs from the last frost around Feb. 11 - Feb. 20 through the first frost around Dec. 11 - Dec. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 6.3 °C | 16.9 °C | 115.32 mm |
| February | 7.8 °C | 18.7 °C | 118.36 mm |
| March | 11.2 °C | 21.6 °C | 130.05 mm |
| April | 14.7 °C | 24.7 °C | 107.7 mm |
| May | 19.1 °C | 28.6 °C | 72.9 mm |
| June | 22.8 °C | 31.1 °C | 135.89 mm |
| July | 24 °C | 31.9 °C | 173.48 mm |
| August | 23.8 °C | 31.8 °C | 198.37 mm |
| September | 21.8 °C | 30.8 °C | 138.94 mm |
| October | 16.4 °C | 27 °C | 98.04 mm |
| November | 10.6 °C | 22 °C | 114.05 mm |
| December | 7.8 °C | 18.3 °C | 109.73 mm |
| Annual | 15.5 °C | 25.3 °C | 1512.83 mm |
| Average First Frost Date | Dec. 11 - Dec. 20 |
| Average Last Frost Date | Feb. 11 - Feb. 20 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |