Cape May, New Jersey has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 49.3 °F (low) to 62.6 °F (high). Annual precipitation averages 44.6 Inches. Cape May is located in USDA Plant Hardiness Zone 8a. 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 | 29.4 °F | 42.4 °F | 3.23 in. |
| February | 29.9 °F | 43.3 °F | 2.84 in. |
| March | 36.2 °F | 49.4 °F | 4.21 in. |
| April | 45.6 °F | 59.0 °F | 3.41 in. |
| May | 54.7 °F | 68.7 °F | 3.64 in. |
| June | 64.2 °F | 77.7 °F | 3.53 in. |
| July | 69.5 °F | 82.8 °F | 4.23 in. |
| August | 69.1 °F | 81.7 °F | 4.3 in. |
| September | 63.7 °F | 76.7 °F | 3.56 in. |
| October | 53.2 °F | 66.3 °F | 4.29 in. |
| November | 42.3 °F | 56.0 °F | 3.29 in. |
| December | 34.3 °F | 47.5 °F | 4.07 in. |
| Annual | 49.3 °F | 62.6 °F | 44.6 in. |
| Average First Frost Date | Nov. 1 - Nov. 10 |
| Average Last Frost Date | Apr. 1 - Apr. 10 |
| Average Days With Frost | 50-75 Days |
| Plant Hardiness Zone | Zone 8a : 10°F to 15°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |