Haven, Kansas has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.5 °F (low) to 67.4 °F (high). Annual precipitation averages 32.2 Inches. Haven 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 | 22.1 °F | 42.8 °F | 0.79 in. |
| February | 25.1 °F | 46.7 °F | 1.29 in. |
| March | 34.7 °F | 57.3 °F | 2.33 in. |
| April | 44.0 °F | 66.6 °F | 2.72 in. |
| May | 54.9 °F | 76.1 °F | 5.09 in. |
| June | 65.0 °F | 86.8 °F | 4.53 in. |
| July | 69.1 °F | 91.0 °F | 3.98 in. |
| August | 67.3 °F | 89.3 °F | 3.81 in. |
| September | 59.1 °F | 82.1 °F | 2.45 in. |
| October | 46.1 °F | 69.7 °F | 2.64 in. |
| November | 34.2 °F | 56.4 °F | 1.4 in. |
| December | 24.7 °F | 44.4 °F | 1.18 in. |
| Annual | 45.5 °F | 67.4 °F | 32.21 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |