Fort White, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14 °C (low) to 27 °C (high). Annual precipitation averages 1356.4 Millimeters. Fort White 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 | 5.1 °C | 19.1 °C | 98.81 mm |
| February | 6.7 °C | 20.9 °C | 83.82 mm |
| March | 9.2 °C | 24.2 °C | 99.57 mm |
| April | 12.6 °C | 27.3 °C | 73.66 mm |
| May | 16.9 °C | 30.8 °C | 80.52 mm |
| June | 20.9 °C | 32.4 °C | 191.52 mm |
| July | 22.1 °C | 33.1 °C | 185.17 mm |
| August | 22.2 °C | 32.8 °C | 196.6 mm |
| September | 20.4 °C | 31.4 °C | 143.76 mm |
| October | 15.2 °C | 27.8 °C | 76.45 mm |
| November | 9.6 °C | 23.6 °C | 49.78 mm |
| December | 6.6 °C | 20.3 °C | 76.71 mm |
| Annual | 14 °C | 27 °C | 1356.37 mm |
| Average First Frost Date | Nov. 21 - Nov. 30 |
| Average Last Frost Date | Mar. 1 - Mar. 10 |
| Average Days With Frost | 20-30 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |