South Toms River, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 6.8 °C (low) to 17.5 °C (high). Annual precipitation averages 1254.8 Millimeters. South Toms River is located in USDA Plant Hardiness Zone 7a. 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 | -4.7 °C | 5.2 °C | 99.06 mm |
| February | -3.9 °C | 6.3 °C | 79.5 mm |
| March | -0.2 °C | 10 °C | 124.71 mm |
| April | 5.2 °C | 16.3 °C | 89.66 mm |
| May | 10.5 °C | 21.5 °C | 91.95 mm |
| June | 15.7 °C | 26.9 °C | 106.43 mm |
| July | 18.8 °C | 29.3 °C | 122.43 mm |
| August | 18.1 °C | 28.4 °C | 124.97 mm |
| September | 14.4 °C | 25 °C | 95.25 mm |
| October | 7.8 °C | 19 °C | 106.93 mm |
| November | 2.1 °C | 13.3 °C | 93.47 mm |
| December | -1.9 °C | 8.2 °C | 120.4 mm |
| Annual | 6.8 °C | 17.5 °C | 1254.76 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 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 7a : -17.8°C to -15°C |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |