Cooter, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 50.6 °F (low) to 69.9 °F (high). Annual precipitation averages 52.5 Inches. Cooter 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 | 29.3 °F | 45.6 °F | 3.76 in. |
| February | 32.5 °F | 50.6 °F | 4.32 in. |
| March | 40.3 °F | 59.8 °F | 5.08 in. |
| April | 50.1 °F | 70.6 °F | 5.45 in. |
| May | 60.5 °F | 79.6 °F | 5.53 in. |
| June | 68.6 °F | 87.7 °F | 4.03 in. |
| July | 71.7 °F | 90.1 °F | 4.08 in. |
| August | 69.5 °F | 89.1 °F | 3.19 in. |
| September | 61.9 °F | 83.5 °F | 3.44 in. |
| October | 50.2 °F | 73.1 °F | 4.12 in. |
| November | 40.0 °F | 59.7 °F | 4.53 in. |
| December | 32.8 °F | 49.2 °F | 4.99 in. |
| Annual | 50.6 °F | 69.9 °F | 52.52 in. |
| 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 : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |