Lawtey, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.3 °C (low) to 26.8 °C (high). Annual precipitation averages 1353.8 Millimeters. Lawtey is located in USDA Plant Hardiness Zone 9a. 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 | 5.8 °C | 19.1 °C | 93.98 mm |
| February | 7.3 °C | 20.9 °C | 73.15 mm |
| March | 9.8 °C | 24 °C | 87.63 mm |
| April | 13.1 °C | 26.9 °C | 68.83 mm |
| May | 17.1 °C | 30.3 °C | 93.47 mm |
| June | 20.9 °C | 32.1 °C | 202.69 mm |
| July | 22.1 °C | 33.1 °C | 178.82 mm |
| August | 22.1 °C | 32.6 °C | 180.09 mm |
| September | 20.6 °C | 31.1 °C | 162.05 mm |
| October | 15.7 °C | 27.4 °C | 90.17 mm |
| November | 10.3 °C | 23.4 °C | 51.56 mm |
| December | 7.3 °C | 20.3 °C | 71.37 mm |
| Annual | 14.3 °C | 26.8 °C | 1353.81 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 9a : -6.7°C to -3.9°C |
| Plant Hardiness Zone - 2012 | Zone 9a : -6.7°C to -3.9°C |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |