Chicopee, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 40 °F (low) to 60.4 °F (high). Annual precipitation averages 46.6 Inches. Chicopee is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 17.0 °F | 34.8 °F | 3.3 in. |
| February | 18.3 °F | 37.8 °F | 2.9 in. |
| March | 26.9 °F | 46.1 °F | 3.78 in. |
| April | 37.7 °F | 59.5 °F | 3.73 in. |
| May | 48.2 °F | 70.7 °F | 3.63 in. |
| June | 57.3 °F | 78.9 °F | 4.38 in. |
| July | 62.9 °F | 84.3 °F | 3.95 in. |
| August | 61.0 °F | 82.7 °F | 4.1 in. |
| September | 53.3 °F | 75.5 °F | 4.54 in. |
| October | 41.9 °F | 62.9 °F | 4.82 in. |
| November | 32.2 °F | 51.0 °F | 3.41 in. |
| December | 23.6 °F | 40.3 °F | 4.09 in. |
| Annual | 40 °F | 60.4 °F | 46.63 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| 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 | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |