Shutesbury, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.2 °F (low) to 56.1 °F (high). Annual precipitation averages 51.8 Inches. Shutesbury is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 21 - May 31 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 10.1 °F | 30.5 °F | 3.71 in. |
| February | 12.0 °F | 32.7 °F | 3.35 in. |
| March | 20.2 °F | 41.1 °F | 4.2 in. |
| April | 31.5 °F | 55.2 °F | 4.14 in. |
| May | 43.4 °F | 66.5 °F | 3.86 in. |
| June | 51.7 °F | 75.2 °F | 4.86 in. |
| July | 57.0 °F | 80.6 °F | 4.39 in. |
| August | 54.5 °F | 78.8 °F | 4.88 in. |
| September | 47.5 °F | 71.8 °F | 4.93 in. |
| October | 36.7 °F | 58.3 °F | 5.16 in. |
| November | 28.2 °F | 46.7 °F | 3.86 in. |
| December | 17.3 °F | 35.5 °F | 4.49 in. |
| Annual | 34.2 °F | 56.1 °F | 51.83 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 21 - May 31 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -15°F to -10°F |
| Plant Hardiness Zone - 2012 | Zone 5b : -15°F to -10°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |