Cookson, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.7 °F (low) to 70.8 °F (high). Annual precipitation averages 48.9 Inches. Cookson 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 | 27.2 °F | 48.8 °F | 2.69 in. |
| February | 30.6 °F | 53.0 °F | 2.52 in. |
| March | 39.0 °F | 61.7 °F | 4.25 in. |
| April | 47.0 °F | 70.6 °F | 4.85 in. |
| May | 56.8 °F | 77.6 °F | 6.03 in. |
| June | 65.8 °F | 85.9 °F | 5.07 in. |
| July | 69.7 °F | 91.5 °F | 3.89 in. |
| August | 68.5 °F | 91.3 °F | 3.69 in. |
| September | 60.9 °F | 84.2 °F | 4.54 in. |
| October | 49.3 °F | 72.6 °F | 4.57 in. |
| November | 38.9 °F | 61.5 °F | 3.8 in. |
| December | 30.1 °F | 50.6 °F | 3.03 in. |
| Annual | 48.7 °F | 70.8 °F | 48.93 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 | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |