Lake Butler, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.1 °C (low) to 26.9 °C (high). Annual precipitation averages 1356.4 Millimeters. Lake Butler is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Mar. 1 - Mar. 10 through the first frost around Nov. 21 - Nov. 30.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.4 °C | 19.1 °C | 97.03 mm |
| February | 7 °C | 20.8 °C | 78.49 mm |
| March | 9.4 °C | 24.1 °C | 94.74 mm |
| April | 12.7 °C | 27 °C | 73.66 mm |
| May | 16.8 °C | 30.7 °C | 87.38 mm |
| June | 20.7 °C | 32.4 °C | 200.15 mm |
| July | 22 °C | 33.1 °C | 177.8 mm |
| August | 22 °C | 32.8 °C | 184.91 mm |
| September | 20.4 °C | 31.2 °C | 152.15 mm |
| October | 15.4 °C | 27.7 °C | 82.55 mm |
| November | 10.1 °C | 23.4 °C | 51.05 mm |
| December | 7 °C | 20.3 °C | 76.45 mm |
| Annual | 14.1 °C | 26.9 °C | 1356.36 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 10-20 Days |
| Plant Hardiness Zone | Zone 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 8b : -9.4°C to -6.7°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |