Inola, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.9 °F (low) to 70.9 °F (high). Annual precipitation averages 43.7 Inches. Inola 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 | 25.4 °F | 48.0 °F | 1.95 in. |
| February | 28.9 °F | 52.7 °F | 2.14 in. |
| March | 37.4 °F | 61.8 °F | 3.61 in. |
| April | 46.6 °F | 70.8 °F | 4.5 in. |
| May | 57.2 °F | 78.2 °F | 5.93 in. |
| June | 66.3 °F | 86.5 °F | 4.74 in. |
| July | 70.4 °F | 91.9 °F | 3.86 in. |
| August | 68.7 °F | 91.8 °F | 3.46 in. |
| September | 60.3 °F | 84.2 °F | 4.08 in. |
| October | 48.3 °F | 73.1 °F | 3.82 in. |
| November | 37.1 °F | 61.4 °F | 3.09 in. |
| December | 28.5 °F | 50.4 °F | 2.53 in. |
| Annual | 47.9 °F | 70.9 °F | 43.71 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |