Hazelton, Kansas has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 45.7 °F (low) to 71.1 °F (high). Annual precipitation averages 30.8 Inches. Hazelton 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 | 22.4 °F | 47.2 °F | 0.87 in. |
| February | 25.4 °F | 50.9 °F | 1.07 in. |
| March | 34.6 °F | 61.1 °F | 2.19 in. |
| April | 43.4 °F | 70.2 °F | 2.8 in. |
| May | 54.9 °F | 79.7 °F | 4.29 in. |
| June | 65.1 °F | 89.9 °F | 4.56 in. |
| July | 69.8 °F | 94.9 °F | 3.54 in. |
| August | 68.1 °F | 93.1 °F | 3.8 in. |
| September | 59.8 °F | 85.7 °F | 2.39 in. |
| October | 46.4 °F | 73.1 °F | 2.59 in. |
| November | 34.0 °F | 59.6 °F | 1.35 in. |
| December | 24.5 °F | 47.9 °F | 1.33 in. |
| Annual | 45.7 °F | 71.1 °F | 30.78 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 | Moderate Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |