Hinsdale, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 1.5 °C (low) to 12.7 °C (high). Annual precipitation averages 1282.4 Millimeters. Hinsdale 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 | -11.2 °C | -1.1 °C | 90.17 mm |
| February | -10.5 °C | 0.5 °C | 80.01 mm |
| March | -6.2 °C | 4.7 °C | 97.03 mm |
| April | -0.2 °C | 12.1 °C | 92.96 mm |
| May | 5.7 °C | 18.6 °C | 101.09 mm |
| June | 10.9 °C | 23.2 °C | 122.43 mm |
| July | 13.7 °C | 25.7 °C | 124.21 mm |
| August | 13.1 °C | 24.6 °C | 103.89 mm |
| September | 8.9 °C | 20.8 °C | 134.87 mm |
| October | 2.9 °C | 14.1 °C | 131.57 mm |
| November | -2.3 °C | 7.6 °C | 92.2 mm |
| December | -7.2 °C | 1.8 °C | 112.01 mm |
| Annual | 1.5 °C | 12.7 °C | 1282.44 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 |