Bay Lake, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17 °C (low) to 28.3 °C (high). Annual precipitation averages 1316.2 Millimeters. Bay Lake is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.2 °C | 21.6 °C | 68.58 mm |
| February | 10.8 °C | 23.3 °C | 55.37 mm |
| March | 12.9 °C | 25.7 °C | 74.93 mm |
| April | 15.9 °C | 28.5 °C | 68.33 mm |
| May | 19.2 °C | 31.2 °C | 99.06 mm |
| June | 22.2 °C | 32.6 °C | 208.53 mm |
| July | 23.2 °C | 33.2 °C | 197.61 mm |
| August | 23.3 °C | 33.2 °C | 202.69 mm |
| September | 22.5 °C | 32 °C | 156.97 mm |
| October | 19 °C | 29.3 °C | 76.71 mm |
| November | 14.2 °C | 25.6 °C | 46.23 mm |
| December | 11.1 °C | 22.8 °C | 61.21 mm |
| Annual | 17 °C | 28.3 °C | 1316.22 mm |
| Average First Frost Date | Frost Rare |
| 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 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |