Miner, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.5 °F (low) to 68.6 °F (high). Annual precipitation averages 50.2 Inches. Miner is located in USDA Plant Hardiness Zone 7b. 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 | 27.2 °F | 43.2 °F | 3.62 in. |
| February | 29.9 °F | 48.2 °F | 3.9 in. |
| March | 38.0 °F | 58.2 °F | 4.7 in. |
| April | 47.9 °F | 69.4 °F | 5.36 in. |
| May | 58.5 °F | 78.7 °F | 5.42 in. |
| June | 66.8 °F | 87.2 °F | 3.95 in. |
| July | 70.2 °F | 89.8 °F | 4.16 in. |
| August | 67.7 °F | 89.0 °F | 2.95 in. |
| September | 59.5 °F | 83.0 °F | 3.43 in. |
| October | 47.6 °F | 71.8 °F | 3.86 in. |
| November | 37.7 °F | 57.6 °F | 4.45 in. |
| December | 30.5 °F | 46.6 °F | 4.41 in. |
| Annual | 48.5 °F | 68.6 °F | 50.21 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |