Anderson, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.7 °F (low) to 69.4 °F (high). Annual precipitation averages 46.4 Inches. Anderson is located in USDA Plant Hardiness Zone 7a. 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 | 24.8 °F | 46.6 °F | 2.55 in. |
| February | 28.1 °F | 51.2 °F | 2.31 in. |
| March | 36.6 °F | 60.5 °F | 3.65 in. |
| April | 45.6 °F | 70.0 °F | 4.97 in. |
| May | 55.6 °F | 76.7 °F | 6.6 in. |
| June | 64.6 °F | 84.7 °F | 4.59 in. |
| July | 68.6 °F | 90.0 °F | 3.74 in. |
| August | 66.9 °F | 89.6 °F | 3.24 in. |
| September | 58.7 °F | 82.1 °F | 4.19 in. |
| October | 46.7 °F | 71.5 °F | 3.96 in. |
| November | 36.4 °F | 59.8 °F | 3.66 in. |
| December | 28.0 °F | 49.5 °F | 2.89 in. |
| Annual | 46.7 °F | 69.4 °F | 46.35 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |