Dighton, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 42.6 °F (low) to 60.4 °F (high). Annual precipitation averages 51 Inches. Dighton is located in USDA Plant Hardiness Zone 6b. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.6 °F | 37.9 °F | 4.27 in. |
| February | 22.8 °F | 39.9 °F | 3.62 in. |
| March | 29.3 °F | 46.7 °F | 5.27 in. |
| April | 38.7 °F | 57.8 °F | 4.62 in. |
| May | 48.5 °F | 68.2 °F | 3.58 in. |
| June | 58.0 °F | 76.9 °F | 4.07 in. |
| July | 64.4 °F | 82.7 °F | 3.55 in. |
| August | 63.0 °F | 81.5 °F | 3.78 in. |
| September | 56.0 °F | 74.5 °F | 4.07 in. |
| October | 45.1 °F | 63.0 °F | 4.87 in. |
| November | 35.6 °F | 52.5 °F | 4.38 in. |
| December | 27.6 °F | 43.1 °F | 4.92 in. |
| Annual | 42.6 °F | 60.4 °F | 51 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 6b : -5°F to 0°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |