Rocky Comfort, Missouri has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 7.6 °C (low) to 19.7 °C (high). Annual precipitation averages 1184.4 Millimeters. Rocky Comfort 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 | -4.6 °C | 6.8 °C | 67.56 mm |
| February | -2.7 °C | 9.2 °C | 57.4 mm |
| March | 2 °C | 14.4 °C | 96.77 mm |
| April | 6.9 °C | 19.6 °C | 120.9 mm |
| May | 12.4 °C | 23.8 °C | 151.13 mm |
| June | 17.4 °C | 28.6 °C | 119.38 mm |
| July | 19.7 °C | 31.3 °C | 97.28 mm |
| August | 18.8 °C | 31.2 °C | 84.84 mm |
| September | 14.3 °C | 27.1 °C | 119.13 mm |
| October | 7.9 °C | 21 °C | 99.57 mm |
| November | 2.2 °C | 14.2 °C | 94.74 mm |
| December | -2.6 °C | 8.6 °C | 75.69 mm |
| Annual | 7.6 °C | 19.7 °C | 1184.39 mm |
| 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 : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6b : -20.6°C to -17.8°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |