Florence, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.7 °C (low) to 22.2 °C (high). Annual precipitation averages 1487.2 Millimeters. Florence is located in USDA Plant Hardiness Zone 8a. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -1.1 °C | 10.3 °C | 132.84 mm |
| February | 0.8 °C | 12.9 °C | 137.67 mm |
| March | 4.6 °C | 17.7 °C | 139.45 mm |
| April | 9.2 °C | 22.8 °C | 129.03 mm |
| May | 14.2 °C | 26.7 °C | 129.79 mm |
| June | 18.7 °C | 30.7 °C | 117.09 mm |
| July | 20.5 °C | 32.2 °C | 130.81 mm |
| August | 19.8 °C | 31.9 °C | 111.25 mm |
| September | 16.2 °C | 29.3 °C | 105.66 mm |
| October | 9.4 °C | 23.6 °C | 97.03 mm |
| November | 3.4 °C | 16.9 °C | 102.87 mm |
| December | 0.7 °C | 11.9 °C | 153.67 mm |
| Annual | 9.7 °C | 22.2 °C | 1487.16 mm |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : -12.2°C to -9.4°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |