Shelburne Falls, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 2.1 °C (low) to 14.2 °C (high). Annual precipitation averages 1318.8 Millimeters. Shelburne Falls is located in USDA Plant Hardiness Zone 6a. 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 | -10.7 °C | -0.1 °C | 88.14 mm |
| February | -10.2 °C | 1.7 °C | 85.09 mm |
| March | -5.3 °C | 6.3 °C | 100.08 mm |
| April | 0.7 °C | 13.4 °C | 108.2 mm |
| May | 6.7 °C | 19.9 °C | 100.84 mm |
| June | 11.9 °C | 24.9 °C | 112.01 mm |
| July | 14.8 °C | 27.7 °C | 117.6 mm |
| August | 13.8 °C | 26.8 °C | 107.44 mm |
| September | 9.6 °C | 22.7 °C | 122.43 mm |
| October | 3.2 °C | 15.4 °C | 156.97 mm |
| November | -2 °C | 8.8 °C | 108.97 mm |
| December | -6.8 °C | 2.8 °C | 111 mm |
| Annual | 2.1 °C | 14.2 °C | 1318.77 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 6a : -23.3°C to -20.6°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 |