Redfield, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.7 °F (low) to 67.2 °F (high). Annual precipitation averages 44.6 Inches. Redfield 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 | 21.9 °F | 41.7 °F | 1.53 in. |
| February | 25.7 °F | 47.1 °F | 1.76 in. |
| March | 34.6 °F | 57.1 °F | 3.14 in. |
| April | 44.6 °F | 67.4 °F | 4.87 in. |
| May | 55.2 °F | 76.0 °F | 6.09 in. |
| June | 64.8 °F | 85.2 °F | 5.78 in. |
| July | 69.1 °F | 89.7 °F | 4.51 in. |
| August | 67.1 °F | 89.5 °F | 4.19 in. |
| September | 58.1 °F | 81.3 °F | 4.44 in. |
| October | 46.2 °F | 69.9 °F | 3.49 in. |
| November | 35.1 °F | 56.6 °F | 2.63 in. |
| December | 25.9 °F | 45.3 °F | 2.15 in. |
| Annual | 45.7 °F | 67.2 °F | 44.58 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 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |