Holton, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.3 °F (low) to 65.1 °F (high). Annual precipitation averages 36.6 Inches. Holton is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 18.2 °F | 38.0 °F | 0.8 in. |
| February | 21.9 °F | 43.3 °F | 1.18 in. |
| March | 31.7 °F | 55.1 °F | 2.21 in. |
| April | 42.2 °F | 65.5 °F | 3.69 in. |
| May | 53.7 °F | 75.1 °F | 5.29 in. |
| June | 63.8 °F | 84.2 °F | 4.96 in. |
| July | 67.7 °F | 88.7 °F | 4.58 in. |
| August | 65.4 °F | 87.5 °F | 4.21 in. |
| September | 56.3 °F | 80.1 °F | 3.6 in. |
| October | 44.0 °F | 68.1 °F | 2.93 in. |
| November | 32.3 °F | 54.0 °F | 1.79 in. |
| December | 22.6 °F | 41.7 °F | 1.31 in. |
| Annual | 43.3 °F | 65.1 °F | 36.55 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 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 |