Lake Wales, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17 °C (low) to 28.9 °C (high). Annual precipitation averages 1338.8 Millimeters. Lake Wales is located in USDA Plant Hardiness Zone 9b.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 9.6 °C | 22.6 °C | 65.28 mm |
| February | 11.3 °C | 24.3 °C | 55.88 mm |
| March | 13.2 °C | 26.4 °C | 71.37 mm |
| April | 16 °C | 29.3 °C | 66.55 mm |
| May | 19.1 °C | 31.8 °C | 90.93 mm |
| June | 21.9 °C | 33.1 °C | 222 mm |
| July | 22.8 °C | 33.3 °C | 199.39 mm |
| August | 23 °C | 33.4 °C | 204.72 mm |
| September | 22.3 °C | 32.3 °C | 179.07 mm |
| October | 19.2 °C | 29.8 °C | 76.45 mm |
| November | 14.5 °C | 26.2 °C | 45.97 mm |
| December | 11.6 °C | 23.8 °C | 61.21 mm |
| Annual | 17 °C | 28.9 °C | 1338.82 mm |
| Average First Frost Date | Frost Rare |
| Average Last Frost Date | |
| Average Days With Frost | Frost Rare |
| Plant Hardiness Zone | Zone 9b : -3.9°C to -1.1°C |
| Plant Hardiness Zone - 2012 | Zone 9b : -3.9°C to -1.1°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |