Rocky, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.2 °F (low) to 73 °F (high). Annual precipitation averages 29.8 Inches. Rocky is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 26.2 °F | 50.5 °F | 1.03 in. |
| February | 29.3 °F | 54.4 °F | 1.18 in. |
| March | 37.6 °F | 63.4 °F | 2.14 in. |
| April | 45.9 °F | 71.9 °F | 2.98 in. |
| May | 56.8 °F | 81.1 °F | 4.34 in. |
| June | 66.6 °F | 90.5 °F | 3.82 in. |
| July | 70.7 °F | 95.6 °F | 2.44 in. |
| August | 69.3 °F | 94.8 °F | 3.35 in. |
| September | 61.7 °F | 86.4 °F | 2.74 in. |
| October | 49.1 °F | 74.6 °F | 2.88 in. |
| November | 37.2 °F | 61.8 °F | 1.59 in. |
| December | 28.2 °F | 51.3 °F | 1.35 in. |
| Annual | 48.2 °F | 73 °F | 29.84 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 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 | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |