Dover Beaches South, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 8.2 °C (low) to 16.3 °C (high). Annual precipitation averages 1257.3 Millimeters. Dover Beaches South 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 | -3.3 °C | 4.9 °C | 100.84 mm |
| February | -2.7 °C | 5.7 °C | 80.77 mm |
| March | 0.8 °C | 8.9 °C | 118.62 mm |
| April | 6.1 °C | 14.4 °C | 93.98 mm |
| May | 11.2 °C | 19.4 °C | 95 mm |
| June | 16.8 °C | 24.9 °C | 114.81 mm |
| July | 20.2 °C | 27.8 °C | 111.51 mm |
| August | 19.8 °C | 27.1 °C | 116.33 mm |
| September | 16.3 °C | 23.7 °C | 96.01 mm |
| October | 9.7 °C | 18.2 °C | 115.57 mm |
| November | 4.2 °C | 12.8 °C | 93.22 mm |
| December | -0.4 °C | 8.1 °C | 120.65 mm |
| Annual | 8.2 °C | 16.3 °C | 1257.31 mm |
| 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 : -15°C to -12.2°C |
| Plant Hardiness Zone - 2012 | Zone 7b : -15°C to -12.2°C |
| Current Drought Conditions | Normal |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |