Hull, Massachusetts has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 43.2 °F (low) to 59.2 °F (high). Annual precipitation averages 51 Inches. Hull is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 22.1 °F | 37.2 °F | 4.24 in. |
| February | 23.3 °F | 39.3 °F | 3.9 in. |
| March | 30.0 °F | 45.0 °F | 5.31 in. |
| April | 39.3 °F | 56.2 °F | 4.55 in. |
| May | 49.1 °F | 66.0 °F | 3.58 in. |
| June | 58.3 °F | 75.5 °F | 3.89 in. |
| July | 64.4 °F | 81.6 °F | 3.5 in. |
| August | 63.4 °F | 80.1 °F | 3.63 in. |
| September | 56.8 °F | 73.1 °F | 3.77 in. |
| October | 46.2 °F | 62.2 °F | 5.16 in. |
| November | 36.8 °F | 51.9 °F | 4.42 in. |
| December | 28.1 °F | 42.8 °F | 5.01 in. |
| Annual | 43.2 °F | 59.2 °F | 50.96 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| 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 |