North Adams, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.5 °C (low) to 13.8 °C (high). Annual precipitation averages 1190.8 Millimeters. North Adams is located in USDA Plant Hardiness Zone 5b. The growing season typically runs from the last frost around May 11 - May 20 through the first frost around Oct. 1 - Oct. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -10.2 °C | -0.4 °C | 75.18 mm |
| February | -9.4 °C | 1.1 °C | 59.44 mm |
| March | -4.9 °C | 5.8 °C | 73.41 mm |
| April | 1.2 °C | 13.3 °C | 102.11 mm |
| May | 7.1 °C | 19.8 °C | 101.35 mm |
| June | 12.1 °C | 24.4 °C | 117.09 mm |
| July | 14.8 °C | 26.8 °C | 134.62 mm |
| August | 13.9 °C | 25.8 °C | 120.4 mm |
| September | 9.8 °C | 22.1 °C | 120.65 mm |
| October | 3.7 °C | 15.3 °C | 111.76 mm |
| November | -1.4 °C | 8.7 °C | 88.65 mm |
| December | -6.2 °C | 2.6 °C | 86.11 mm |
| Annual | 2.5 °C | 13.8 °C | 1190.77 mm |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 5b : -26.1°C to -23.3°C |
| Plant Hardiness Zone - 2012 | Zone 5b : -26.1°C to -23.3°C |
| Current Drought Conditions | Abnormally Dry |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |