Pembroke, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 41.3 °F (low) to 60.5 °F (high). Annual precipitation averages 53.2 Inches. Pembroke 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 | 20.2 °F | 37.8 °F | 4.49 in. |
| February | 21.3 °F | 39.8 °F | 4.1 in. |
| March | 28.3 °F | 46.5 °F | 5.72 in. |
| April | 37.8 °F | 57.9 °F | 4.76 in. |
| May | 47.5 °F | 68.1 °F | 3.77 in. |
| June | 56.9 °F | 77.2 °F | 3.93 in. |
| July | 63.2 °F | 83.0 °F | 3.49 in. |
| August | 61.7 °F | 81.7 °F | 3.66 in. |
| September | 54.7 °F | 74.6 °F | 4.11 in. |
| October | 43.6 °F | 63.3 °F | 5.14 in. |
| November | 34.1 °F | 52.8 °F | 4.74 in. |
| December | 25.9 °F | 43.3 °F | 5.31 in. |
| Annual | 41.3 °F | 60.5 °F | 53.22 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |