Eagle Rock, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.5 °F (low) to 69.2 °F (high). Annual precipitation averages 46.3 Inches. Eagle Rock is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.0 °F | 46.3 °F | 2.74 in. |
| February | 27.0 °F | 50.4 °F | 2.45 in. |
| March | 35.1 °F | 59.5 °F | 4.05 in. |
| April | 44.0 °F | 69.1 °F | 4.89 in. |
| May | 54.7 °F | 77.3 °F | 5.46 in. |
| June | 63.8 °F | 85.7 °F | 4.16 in. |
| July | 67.3 °F | 90.5 °F | 3.98 in. |
| August | 65.8 °F | 89.6 °F | 3.11 in. |
| September | 57.3 °F | 82.2 °F | 4.74 in. |
| October | 44.4 °F | 71.4 °F | 3.77 in. |
| November | 35.3 °F | 59.5 °F | 3.86 in. |
| December | 27.4 °F | 49.4 °F | 3.09 in. |
| Annual | 45.5 °F | 69.2 °F | 46.3 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |