Arkansas City, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.9 °F (low) to 69.8 °F (high). Annual precipitation averages 38.8 Inches. Arkansas City 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 | 23.5 °F | 45.7 °F | 1.03 in. |
| February | 26.7 °F | 50.2 °F | 1.43 in. |
| March | 35.8 °F | 60.2 °F | 2.77 in. |
| April | 45.1 °F | 69.4 °F | 3.77 in. |
| May | 56.3 °F | 77.8 °F | 5.77 in. |
| June | 66.1 °F | 87.3 °F | 5.44 in. |
| July | 70.5 °F | 92.3 °F | 4.38 in. |
| August | 68.6 °F | 91.2 °F | 4.23 in. |
| September | 60.3 °F | 83.9 °F | 2.98 in. |
| October | 47.7 °F | 72.0 °F | 3.44 in. |
| November | 36.1 °F | 59.5 °F | 2.0 in. |
| December | 26.3 °F | 47.5 °F | 1.51 in. |
| Annual | 46.9 °F | 69.8 °F | 38.75 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 | Abnormally Dry |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |