Argonia, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 46.1 °F (low) to 69.2 °F (high). Annual precipitation averages 33.3 Inches. Argonia 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 | 22.7 °F | 44.5 °F | 0.98 in. |
| February | 26.0 °F | 49.0 °F | 1.26 in. |
| March | 35.0 °F | 59.0 °F | 2.34 in. |
| April | 44.0 °F | 68.5 °F | 3.17 in. |
| May | 55.3 °F | 77.5 °F | 4.87 in. |
| June | 65.4 °F | 88.0 °F | 4.96 in. |
| July | 69.8 °F | 92.8 °F | 3.86 in. |
| August | 68.1 °F | 91.2 °F | 3.68 in. |
| September | 59.8 °F | 83.6 °F | 2.6 in. |
| October | 47.1 °F | 71.5 °F | 2.92 in. |
| November | 35.0 °F | 58.0 °F | 1.35 in. |
| December | 25.4 °F | 46.2 °F | 1.28 in. |
| Annual | 46.1 °F | 69.2 °F | 33.27 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 |