Cookstown, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.6 °F (low) to 64.2 °F (high). Annual precipitation averages 47.3 Inches. Cookstown 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 | 23.9 °F | 40.9 °F | 3.6 in. |
| February | 25.2 °F | 43.5 °F | 2.76 in. |
| March | 32.1 °F | 51.1 °F | 4.38 in. |
| April | 42.0 °F | 63.0 °F | 3.41 in. |
| May | 51.6 °F | 72.6 °F | 3.84 in. |
| June | 60.8 °F | 81.8 °F | 4.24 in. |
| July | 66.3 °F | 86.1 °F | 4.82 in. |
| August | 64.7 °F | 84.5 °F | 4.79 in. |
| September | 57.6 °F | 78.1 °F | 3.95 in. |
| October | 46.1 °F | 66.6 °F | 3.94 in. |
| November | 36.0 °F | 56.2 °F | 3.25 in. |
| December | 28.6 °F | 46.1 °F | 4.28 in. |
| Annual | 44.6 °F | 64.2 °F | 47.26 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 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 |