Seaside Park, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 47.1 °F (low) to 61.2 °F (high). Annual precipitation averages 49.6 Inches. Seaside Park 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 | 26.3 °F | 40.7 °F | 4.02 in. |
| February | 27.4 °F | 42.0 °F | 3.22 in. |
| March | 33.7 °F | 47.8 °F | 4.84 in. |
| April | 43.2 °F | 57.6 °F | 3.62 in. |
| May | 52.4 °F | 66.6 °F | 3.79 in. |
| June | 62.5 °F | 76.5 °F | 4.36 in. |
| July | 68.6 °F | 81.9 °F | 4.36 in. |
| August | 68.0 °F | 80.6 °F | 4.64 in. |
| September | 61.7 °F | 74.6 °F | 3.69 in. |
| October | 49.8 °F | 64.6 °F | 4.6 in. |
| November | 39.8 °F | 54.8 °F | 3.69 in. |
| December | 31.6 °F | 46.2 °F | 4.77 in. |
| Annual | 47.1 °F | 61.2 °F | 49.6 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 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 7b : 5°F to 10°F |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |