Okeene, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.4 °F (low) to 72.4 °F (high). Annual precipitation averages 31.6 Inches. Okeene 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 | 24.9 °F | 48.8 °F | 0.87 in. |
| February | 27.9 °F | 52.9 °F | 1.42 in. |
| March | 36.5 °F | 62.5 °F | 2.33 in. |
| April | 44.9 °F | 71.9 °F | 3.18 in. |
| May | 56.0 °F | 80.7 °F | 4.25 in. |
| June | 66.1 °F | 90.4 °F | 4.17 in. |
| July | 70.7 °F | 95.8 °F | 3.08 in. |
| August | 69.0 °F | 94.3 °F | 3.29 in. |
| September | 61.0 °F | 86.5 °F | 2.58 in. |
| October | 48.6 °F | 74.3 °F | 3.18 in. |
| November | 36.3 °F | 60.7 °F | 1.74 in. |
| December | 27.1 °F | 49.8 °F | 1.48 in. |
| Annual | 47.4 °F | 72.4 °F | 31.57 in. |
| 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 : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |