Buzzards Bay, Massachusetts has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 43 °F (low) to 59.4 °F (high). Annual precipitation averages 50.7 Inches. Buzzards Bay 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.5 °F | 38.8 °F | 4.23 in. |
| February | 23.4 °F | 39.9 °F | 3.67 in. |
| March | 29.3 °F | 45.8 °F | 5.38 in. |
| April | 38.5 °F | 55.2 °F | 4.5 in. |
| May | 48.2 °F | 65.4 °F | 3.65 in. |
| June | 57.8 °F | 74.4 °F | 3.76 in. |
| July | 64.5 °F | 80.5 °F | 3.13 in. |
| August | 63.5 °F | 79.3 °F | 3.61 in. |
| September | 56.5 °F | 73.0 °F | 4.35 in. |
| October | 45.9 °F | 62.7 °F | 4.92 in. |
| November | 36.9 °F | 53.2 °F | 4.34 in. |
| December | 28.7 °F | 44.4 °F | 5.18 in. |
| Annual | 43 °F | 59.4 °F | 50.72 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 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 |