South Coffeyville, Oklahoma has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.8 °F (low) to 69.1 °F (high). Annual precipitation averages 43.8 Inches. South Coffeyville 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 | 23.3 °F | 45.2 °F | 1.6 in. |
| February | 26.7 °F | 49.8 °F | 1.88 in. |
| March | 36.0 °F | 59.6 °F | 3.01 in. |
| April | 45.8 °F | 68.8 °F | 4.49 in. |
| May | 56.4 °F | 77.0 °F | 6.85 in. |
| June | 65.7 °F | 85.9 °F | 5.45 in. |
| July | 70.0 °F | 91.2 °F | 3.84 in. |
| August | 68.1 °F | 90.8 °F | 3.82 in. |
| September | 59.8 °F | 83.0 °F | 4.06 in. |
| October | 47.2 °F | 71.4 °F | 3.92 in. |
| November | 35.9 °F | 59.1 °F | 2.6 in. |
| December | 26.5 °F | 47.9 °F | 2.23 in. |
| Annual | 46.8 °F | 69.1 °F | 43.75 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 100-125 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 |