Hinsdale, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.6 °F (low) to 54.9 °F (high). Annual precipitation averages 50.5 Inches. 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 | 11.9 °F | 30.0 °F | 3.55 in. |
| February | 13.1 °F | 32.9 °F | 3.15 in. |
| March | 20.8 °F | 40.5 °F | 3.82 in. |
| April | 31.6 °F | 53.7 °F | 3.66 in. |
| May | 42.3 °F | 65.5 °F | 3.98 in. |
| June | 51.7 °F | 73.7 °F | 4.82 in. |
| July | 56.6 °F | 78.2 °F | 4.89 in. |
| August | 55.5 °F | 76.2 °F | 4.09 in. |
| September | 48.0 °F | 69.5 °F | 5.31 in. |
| October | 37.3 °F | 57.4 °F | 5.18 in. |
| November | 27.8 °F | 45.7 °F | 3.63 in. |
| December | 19.1 °F | 35.2 °F | 4.41 in. |
| Annual | 34.6 °F | 54.9 °F | 50.49 in. |
| 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 : -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 |