Bunker Hill, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.7 °F (low) to 67 °F (high). Annual precipitation averages 26.8 Inches. Bunker Hill is located in USDA Plant Hardiness Zone 6b. 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 | 18.2 °F | 41.6 °F | 0.66 in. |
| February | 20.8 °F | 46.1 °F | 0.92 in. |
| March | 30.0 °F | 56.6 °F | 1.38 in. |
| April | 39.2 °F | 66.0 °F | 2.15 in. |
| May | 51.0 °F | 75.5 °F | 4.17 in. |
| June | 62.0 °F | 87.0 °F | 3.36 in. |
| July | 66.8 °F | 92.2 °F | 4.11 in. |
| August | 64.7 °F | 89.5 °F | 3.8 in. |
| September | 55.7 °F | 81.8 °F | 2.2 in. |
| October | 42.2 °F | 69.2 °F | 1.97 in. |
| November | 29.6 °F | 55.3 °F | 1.12 in. |
| December | 20.7 °F | 43.3 °F | 0.94 in. |
| Annual | 41.7 °F | 67 °F | 26.78 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 6b : -5°F to 0°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 |