Rocky Ford, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 9.1 °C (low) to 21.2 °C (high). Annual precipitation averages 1224.5 Millimeters. Rocky Ford 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 Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -2.7 °C | 8.8 °C | 66.55 mm |
| February | -0.8 °C | 11.3 °C | 61.98 mm |
| March | 3.8 °C | 16.3 °C | 101.09 mm |
| April | 8.4 °C | 21.4 °C | 121.67 mm |
| May | 13.6 °C | 25.1 °C | 154.69 mm |
| June | 18.4 °C | 29.6 °C | 126.49 mm |
| July | 20.7 °C | 32.6 °C | 100.84 mm |
| August | 19.9 °C | 32.4 °C | 93.22 mm |
| September | 15.7 °C | 28.4 °C | 115.82 mm |
| October | 9.2 °C | 22.4 °C | 112.01 mm |
| November | 3.8 °C | 15.8 °C | 92.46 mm |
| December | -1.1 °C | 10.1 °C | 77.72 mm |
| Annual | 9.1 °C | 21.2 °C | 1224.54 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 7b : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |