Kalamazoo, Michigan has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 38.8 °F (low) to 58.7 °F (high). Annual precipitation averages 39.9 Inches. Kalamazoo is located in USDA Plant Hardiness Zone 6a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 16.9 °F | 31.5 °F | 3.0 in. |
| February | 18.0 °F | 34.3 °F | 2.17 in. |
| March | 25.6 °F | 44.9 °F | 2.36 in. |
| April | 36.5 °F | 58.5 °F | 3.5 in. |
| May | 47.8 °F | 69.8 °F | 4.27 in. |
| June | 56.9 °F | 79.2 °F | 4.09 in. |
| July | 60.0 °F | 83.2 °F | 3.54 in. |
| August | 58.5 °F | 81.5 °F | 4.15 in. |
| September | 51.0 °F | 75.2 °F | 3.5 in. |
| October | 40.0 °F | 61.8 °F | 3.86 in. |
| November | 31.2 °F | 48.2 °F | 2.94 in. |
| December | 22.8 °F | 36.6 °F | 2.48 in. |
| Annual | 38.8 °F | 58.7 °F | 39.86 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| 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 |