Hingham, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.9 °F (low) to 59.8 °F (high). Annual precipitation averages 51.9 Inches. Hingham 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 | 37.3 °F | 4.38 in. |
| February | 23.0 °F | 39.4 °F | 3.97 in. |
| March | 29.7 °F | 45.6 °F | 5.36 in. |
| April | 39.3 °F | 57.1 °F | 4.68 in. |
| May | 48.9 °F | 67.0 °F | 3.7 in. |
| June | 58.4 °F | 76.4 °F | 3.88 in. |
| July | 64.5 °F | 82.4 °F | 3.57 in. |
| August | 63.3 °F | 80.9 °F | 3.72 in. |
| September | 56.5 °F | 73.7 °F | 3.78 in. |
| October | 45.7 °F | 62.7 °F | 5.28 in. |
| November | 36.2 °F | 52.1 °F | 4.53 in. |
| December | 27.8 °F | 42.8 °F | 5.09 in. |
| Annual | 42.9 °F | 59.8 °F | 51.94 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 | Dfa - Humid Continental Hot Summers With Year Around Precipitation |