Arkansas City, Arkansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 53.4 °F (low) to 73.6 °F (high). Annual precipitation averages 53.9 Inches. Arkansas City is located in USDA Plant Hardiness Zone 8b. The growing season typically runs from the last frost around Mar. 11 - Mar. 20 through the first frost around Nov. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 33.9 °F | 51.8 °F | 5.13 in. |
| February | 36.8 °F | 56.3 °F | 5.15 in. |
| March | 44.5 °F | 65.0 °F | 5.08 in. |
| April | 53.2 °F | 74.1 °F | 5.78 in. |
| May | 62.6 °F | 82.2 °F | 4.9 in. |
| June | 70.1 °F | 88.9 °F | 3.54 in. |
| July | 72.8 °F | 91.3 °F | 3.61 in. |
| August | 70.9 °F | 91.3 °F | 3.0 in. |
| September | 64.2 °F | 86.6 °F | 3.41 in. |
| October | 52.6 °F | 76.6 °F | 3.9 in. |
| November | 42.7 °F | 64.1 °F | 4.71 in. |
| December | 36.6 °F | 54.4 °F | 5.66 in. |
| Annual | 53.4 °F | 73.6 °F | 53.87 in. |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| Average Last Frost Date | Mar. 11 - Mar. 20 |
| Average Days With Frost | 40-50 Days |
| Plant Hardiness Zone | Zone 8b : 15°F to 20°F |
| Plant Hardiness Zone - 2012 | Zone 8a : 10°F to 15°F |
| Current Drought Conditions | Exceptional Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |