Keansburg, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 46.6 °F (low) to 62.9 °F (high). Annual precipitation averages 47.8 Inches. Keansburg is located in USDA Plant Hardiness Zone 7b. The growing season typically runs from the last frost around Apr. 1 - Apr. 10 through the first frost around Nov. 1 - Nov. 10.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 25.5 °F | 40.7 °F | 3.67 in. |
| February | 26.9 °F | 43.0 °F | 2.88 in. |
| March | 33.3 °F | 49.8 °F | 4.24 in. |
| April | 43.1 °F | 60.8 °F | 3.91 in. |
| May | 52.6 °F | 70.3 °F | 3.77 in. |
| June | 62.1 °F | 79.2 °F | 4.46 in. |
| July | 68.2 °F | 84.6 °F | 4.47 in. |
| August | 66.9 °F | 82.8 °F | 4.44 in. |
| September | 60.5 °F | 76.9 °F | 4.1 in. |
| October | 49.3 °F | 66.0 °F | 4.21 in. |
| November | 39.4 °F | 55.0 °F | 3.31 in. |
| December | 31.4 °F | 46.1 °F | 4.31 in. |
| Annual | 46.6 °F | 62.9 °F | 47.77 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7a : 0°F to 5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |