Oilton, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 47.8 °F (low) to 71.9 °F (high). Annual precipitation averages 39.7 Inches. Oilton 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 | 25.3 °F | 49.7 °F | 1.54 in. |
| February | 29.0 °F | 54.0 °F | 1.71 in. |
| March | 37.9 °F | 63.2 °F | 3.0 in. |
| April | 46.9 °F | 72.0 °F | 4.18 in. |
| May | 56.8 °F | 78.9 °F | 5.66 in. |
| June | 65.9 °F | 87.3 °F | 4.68 in. |
| July | 70.0 °F | 92.6 °F | 3.81 in. |
| August | 68.1 °F | 92.6 °F | 3.58 in. |
| September | 59.7 °F | 84.8 °F | 3.68 in. |
| October | 47.7 °F | 74.0 °F | 3.55 in. |
| November | 37.4 °F | 62.2 °F | 2.37 in. |
| December | 28.3 °F | 51.3 °F | 1.89 in. |
| Annual | 47.8 °F | 71.9 °F | 39.65 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |