Pittsfield, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 35.9 °F (low) to 57 °F (high). Annual precipitation averages 46.7 Inches. Pittsfield 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 | 13.0 °F | 31.5 °F | 3.33 in. |
| February | 14.3 °F | 34.6 °F | 2.74 in. |
| March | 22.3 °F | 42.5 °F | 3.4 in. |
| April | 33.2 °F | 56.1 °F | 3.65 in. |
| May | 43.9 °F | 68.0 °F | 3.64 in. |
| June | 53.1 °F | 76.1 °F | 4.69 in. |
| July | 58.0 °F | 80.5 °F | 4.48 in. |
| August | 56.7 °F | 78.6 °F | 4.45 in. |
| September | 48.8 °F | 71.8 °F | 4.34 in. |
| October | 38.0 °F | 59.7 °F | 4.6 in. |
| November | 28.7 °F | 47.7 °F | 3.35 in. |
| December | 20.3 °F | 36.6 °F | 3.98 in. |
| Annual | 35.9 °F | 57 °F | 46.65 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 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 |