Okeechobee, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 17.2 °C (low) to 28.6 °C (high). Annual precipitation averages 1151.4 Millimeters. Okeechobee is located in USDA Plant Hardiness Zone 10a.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.3 °C | 23.1 °C | 40.39 mm |
| February | 11.6 °C | 24.7 °C | 42.16 mm |
| March | 13.2 °C | 26.4 °C | 68.33 mm |
| April | 15.9 °C | 28.7 °C | 55.88 mm |
| May | 18.8 °C | 30.8 °C | 88.9 mm |
| June | 21.8 °C | 32.1 °C | 190.75 mm |
| July | 22.7 °C | 32.7 °C | 141.99 mm |
| August | 22.9 °C | 32.8 °C | 175.51 mm |
| September | 22.3 °C | 31.8 °C | 164.08 mm |
| October | 19.4 °C | 29.6 °C | 92.71 mm |
| November | 15.1 °C | 26.4 °C | 46.74 mm |
| December | 12.2 °C | 24.3 °C | 43.94 mm |
| Annual | 17.2 °C | 28.6 °C | 1151.38 mm |
| Average First Frost Date | Frost Rare |
| 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 | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |