Chiefland, Florida has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 14.4 °C (low) to 27 °C (high). Annual precipitation averages 1440.2 Millimeters. Chiefland is located in USDA Plant Hardiness Zone 9a. The growing season typically runs from the last frost around Feb. 21 - Feb. 29 through the first frost around Dec. 1 - Dec. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 5.9 °C | 19.4 °C | 94.23 mm |
| February | 7.7 °C | 21.3 °C | 83.31 mm |
| March | 9.9 °C | 24.2 °C | 103.63 mm |
| April | 13.1 °C | 27.2 °C | 70.61 mm |
| May | 16.9 °C | 30.7 °C | 70.1 mm |
| June | 21 °C | 32.2 °C | 195.83 mm |
| July | 22.2 °C | 32.7 °C | 209.3 mm |
| August | 22.4 °C | 32.5 °C | 243.33 mm |
| September | 20.8 °C | 31.4 °C | 156.46 mm |
| October | 15.9 °C | 28.2 °C | 80.52 mm |
| November | 10.2 °C | 23.9 °C | 53.59 mm |
| December | 7.2 °C | 20.6 °C | 79.25 mm |
| Annual | 14.4 °C | 27 °C | 1440.16 mm |
| Average First Frost Date | Dec. 1 - Dec. 10 |
| Average Last Frost Date | Feb. 21 - Feb. 29 |
| 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |