Anderson, Alabama has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.9 °F (low) to 70.9 °F (high). Annual precipitation averages 59.9 Inches. Anderson is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 29.9 °F | 49.5 °F | 5.66 in. |
| February | 32.6 °F | 53.9 °F | 5.58 in. |
| March | 39.6 °F | 62.7 °F | 5.65 in. |
| April | 47.7 °F | 71.7 °F | 5.16 in. |
| May | 57.1 °F | 79.0 °F | 5.28 in. |
| June | 64.9 °F | 85.9 °F | 4.88 in. |
| July | 68.5 °F | 88.9 °F | 4.86 in. |
| August | 67.0 °F | 88.5 °F | 4.08 in. |
| September | 60.6 °F | 83.7 °F | 4.36 in. |
| October | 48.6 °F | 73.4 °F | 3.84 in. |
| November | 38.0 °F | 61.5 °F | 4.39 in. |
| December | 32.5 °F | 52.3 °F | 6.17 in. |
| Annual | 48.9 °F | 70.9 °F | 59.91 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |