Keasbey, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.6 °F (low) to 64.1 °F (high). Annual precipitation averages 48.3 Inches. Keasbey is located in USDA Plant Hardiness Zone 7b. 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 | 24.6 °F | 40.4 °F | 3.58 in. |
| February | 26.1 °F | 43.2 °F | 2.82 in. |
| March | 32.9 °F | 51.0 °F | 4.19 in. |
| April | 42.7 °F | 63.0 °F | 3.88 in. |
| May | 52.4 °F | 72.8 °F | 3.95 in. |
| June | 61.7 °F | 81.8 °F | 4.55 in. |
| July | 67.3 °F | 86.7 °F | 4.88 in. |
| August | 65.7 °F | 84.8 °F | 4.51 in. |
| September | 58.9 °F | 78.2 °F | 4.23 in. |
| October | 47.1 °F | 66.2 °F | 4.19 in. |
| November | 37.4 °F | 55.5 °F | 3.36 in. |
| December | 30.1 °F | 45.5 °F | 4.19 in. |
| Annual | 45.6 °F | 64.1 °F | 48.33 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 7b : 5°F to 10°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 |