Lavallette, 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 1256.5 Millimeters. Lavallette 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 | 100.58 mm |
| February | -2.7 °C | 5.6 °C | 80.52 mm |
| March | 0.9 °C | 8.8 °C | 117.6 mm |
| April | 6.2 °C | 14.4 °C | 94.49 mm |
| May | 11.2 °C | 19.3 °C | 95 mm |
| June | 16.8 °C | 24.8 °C | 116.08 mm |
| July | 20.2 °C | 27.8 °C | 111 mm |
| August | 19.8 °C | 27.1 °C | 115.57 mm |
| September | 16.3 °C | 23.6 °C | 96.52 mm |
| October | 9.7 °C | 18.2 °C | 115.82 mm |
| November | 4.2 °C | 12.8 °C | 92.96 mm |
| December | -0.4 °C | 8.1 °C | 120.4 mm |
| Annual | 8.2 °C | 16.3 °C | 1256.54 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 |