Stockbridge, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 36.2 °F (low) to 57.9 °F (high). Annual precipitation averages 46.6 Inches. Stockbridge is located in USDA Plant Hardiness Zone 5b. 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 | 13.4 °F | 32.3 °F | 3.31 in. |
| February | 14.8 °F | 35.5 °F | 2.54 in. |
| March | 22.9 °F | 43.5 °F | 3.47 in. |
| April | 33.4 °F | 57.4 °F | 3.68 in. |
| May | 44.3 °F | 69.2 °F | 3.86 in. |
| June | 53.4 °F | 76.8 °F | 4.6 in. |
| July | 58.2 °F | 81.6 °F | 4.58 in. |
| August | 57.0 °F | 79.7 °F | 4.71 in. |
| September | 49.0 °F | 72.7 °F | 4.09 in. |
| October | 38.1 °F | 60.2 °F | 4.53 in. |
| November | 29.2 °F | 48.4 °F | 3.43 in. |
| December | 20.7 °F | 37.3 °F | 3.82 in. |
| Annual | 36.2 °F | 57.9 °F | 46.62 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 150-180 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 |