Erving, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 34.5 °F (low) to 56.2 °F (high). Annual precipitation averages 49 Inches. Erving 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 | 10.7 °F | 30.7 °F | 3.6 in. |
| February | 12.8 °F | 33.3 °F | 3.17 in. |
| March | 20.8 °F | 41.6 °F | 3.94 in. |
| April | 31.7 °F | 55.0 °F | 3.85 in. |
| May | 42.9 °F | 66.3 °F | 3.71 in. |
| June | 51.9 °F | 75.2 °F | 4.55 in. |
| July | 57.2 °F | 80.6 °F | 4.27 in. |
| August | 54.9 °F | 78.9 °F | 4.47 in. |
| September | 47.6 °F | 71.4 °F | 4.42 in. |
| October | 36.7 °F | 58.5 °F | 4.98 in. |
| November | 28.2 °F | 46.5 °F | 3.73 in. |
| December | 18.2 °F | 35.8 °F | 4.29 in. |
| Annual | 34.5 °F | 56.2 °F | 48.98 in. |
| Average First Frost Date | Oct. 1 - Oct. 10 |
| Average Last Frost Date | May 11 - May 20 |
| Average Days With Frost | 150-180 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 |