Broadway, New Jersey has a Humid Continental Mild Summer, Wet All Year climate (Köppen classification: Dfb). Average annual temperatures range from 41 °F (low) to 62.2 °F (high). Annual precipitation averages 51.8 Inches. Broadway is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around May 1 - May 10 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 20.0 °F | 37.8 °F | 3.65 in. |
| February | 21.3 °F | 40.9 °F | 3.01 in. |
| March | 28.2 °F | 49.2 °F | 4.04 in. |
| April | 38.4 °F | 61.8 °F | 4.03 in. |
| May | 48.7 °F | 71.7 °F | 4.27 in. |
| June | 57.8 °F | 80.0 °F | 4.97 in. |
| July | 62.7 °F | 84.8 °F | 5.09 in. |
| August | 60.9 °F | 82.8 °F | 4.94 in. |
| September | 53.7 °F | 76.3 °F | 5.11 in. |
| October | 42.2 °F | 64.8 °F | 4.69 in. |
| November | 32.4 °F | 53.3 °F | 3.57 in. |
| December | 25.4 °F | 42.8 °F | 4.43 in. |
| Annual | 41 °F | 62.2 °F | 51.8 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | May 1 - May 10 |
| Average Days With Frost | 125-150 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6a : -10°F to -5°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfb - Humid Continental Mild Summer, Wet All Year |