Herington, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.2 °F (low) to 66.2 °F (high). Annual precipitation averages 34.1 Inches. Herington is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.3 °F | 40.1 °F | 0.79 in. |
| February | 21.9 °F | 45.0 °F | 1.23 in. |
| March | 31.9 °F | 56.3 °F | 2.23 in. |
| April | 41.8 °F | 66.2 °F | 3.19 in. |
| May | 53.3 °F | 75.2 °F | 5.06 in. |
| June | 63.3 °F | 85.2 °F | 4.55 in. |
| July | 67.8 °F | 90.3 °F | 4.36 in. |
| August | 65.8 °F | 88.7 °F | 4.31 in. |
| September | 56.9 °F | 80.8 °F | 3.1 in. |
| October | 43.8 °F | 68.9 °F | 2.48 in. |
| November | 32.0 °F | 55.0 °F | 1.55 in. |
| December | 22.1 °F | 43.1 °F | 1.24 in. |
| Annual | 43.2 °F | 66.2 °F | 34.09 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 6a : -10°F to -5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |