Vinita, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.3 °F (low) to 70.1 °F (high). Annual precipitation averages 45 Inches. Vinita 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 Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 24.8 °F | 46.8 °F | 1.94 in. |
| February | 28.2 °F | 51.6 °F | 1.99 in. |
| March | 36.7 °F | 60.8 °F | 3.41 in. |
| April | 46.0 °F | 70.3 °F | 4.54 in. |
| May | 56.2 °F | 77.7 °F | 6.61 in. |
| June | 65.6 °F | 85.9 °F | 4.93 in. |
| July | 69.7 °F | 91.1 °F | 4.09 in. |
| August | 68.0 °F | 91.2 °F | 3.54 in. |
| September | 59.6 °F | 83.6 °F | 4.39 in. |
| October | 47.6 °F | 72.4 °F | 3.93 in. |
| November | 37.0 °F | 60.7 °F | 3.13 in. |
| December | 27.9 °F | 49.6 °F | 2.52 in. |
| Annual | 47.3 °F | 70.1 °F | 45.02 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| 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 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |