Roff, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.4 °F (low) to 71.9 °F (high). Annual precipitation averages 40.4 Inches. Roff 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 | 28.3 °F | 50.8 °F | 1.94 in. |
| February | 31.3 °F | 54.5 °F | 2.18 in. |
| March | 40.2 °F | 63.4 °F | 3.14 in. |
| April | 47.8 °F | 71.3 °F | 3.73 in. |
| May | 57.4 °F | 78.1 °F | 5.34 in. |
| June | 66.5 °F | 86.6 °F | 4.68 in. |
| July | 70.0 °F | 92.1 °F | 3.4 in. |
| August | 69.0 °F | 92.6 °F | 2.91 in. |
| September | 61.6 °F | 85.2 °F | 4.07 in. |
| October | 50.4 °F | 73.8 °F | 3.91 in. |
| November | 39.6 °F | 62.8 °F | 2.58 in. |
| December | 30.6 °F | 52.1 °F | 2.5 in. |
| Annual | 49.4 °F | 71.9 °F | 40.38 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |