Cashion, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 48.6 °F (low) to 71.8 °F (high). Annual precipitation averages 35.1 Inches. Cashion is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Mar. 21 - Mar. 31 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.8 °F | 49.2 °F | 1.17 in. |
| February | 29.1 °F | 53.0 °F | 1.47 in. |
| March | 37.7 °F | 62.4 °F | 2.57 in. |
| April | 46.4 °F | 71.3 °F | 3.76 in. |
| May | 57.2 °F | 79.7 °F | 4.96 in. |
| June | 67.0 °F | 88.4 °F | 4.74 in. |
| July | 71.7 °F | 94.0 °F | 3.17 in. |
| August | 70.1 °F | 93.1 °F | 3.34 in. |
| September | 61.9 °F | 85.4 °F | 3.17 in. |
| October | 49.6 °F | 73.7 °F | 3.19 in. |
| November | 37.7 °F | 61.0 °F | 1.91 in. |
| December | 28.7 °F | 50.5 °F | 1.64 in. |
| Annual | 48.6 °F | 71.8 °F | 35.09 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Mar. 21 - Mar. 31 |
| 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |