Rockford, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 10.8 °C (low) to 23.3 °C (high). Annual precipitation averages 1478 Millimeters. Rockford 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 °C | 12.9 °C | 144.78 mm |
| February | 2.5 °C | 15.4 °C | 141.48 mm |
| March | 5.9 °C | 19.9 °C | 143.51 mm |
| April | 9.7 °C | 23.8 °C | 131.57 mm |
| May | 14.5 °C | 27.3 °C | 108.71 mm |
| June | 18.9 °C | 30.6 °C | 118.62 mm |
| July | 20.7 °C | 32.1 °C | 131.32 mm |
| August | 20.3 °C | 31.6 °C | 117.6 mm |
| September | 17.3 °C | 29 °C | 98.81 mm |
| October | 11 °C | 23.9 °C | 84.58 mm |
| November | 5.1 °C | 18.4 °C | 114.3 mm |
| December | 2.4 °C | 14.1 °C | 142.75 mm |
| Annual | 10.8 °C | 23.3 °C | 1478.03 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |