Seekonk, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 43.2 °F (low) to 60.2 °F (high). Annual precipitation averages 51.2 Inches. Seekonk is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.6 °F | 37.9 °F | 4.24 in. |
| February | 22.9 °F | 39.7 °F | 3.69 in. |
| March | 29.8 °F | 46.5 °F | 5.1 in. |
| April | 39.7 °F | 57.5 °F | 4.76 in. |
| May | 49.2 °F | 68.0 °F | 3.55 in. |
| June | 59.1 °F | 76.5 °F | 4.23 in. |
| July | 65.3 °F | 82.5 °F | 3.5 in. |
| August | 64.0 °F | 81.1 °F | 3.86 in. |
| September | 56.9 °F | 74.2 °F | 4.14 in. |
| October | 45.7 °F | 63.0 °F | 4.81 in. |
| November | 36.0 °F | 52.6 °F | 4.38 in. |
| December | 27.7 °F | 43.1 °F | 4.94 in. |
| Annual | 43.2 °F | 60.2 °F | 51.2 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°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 |