Linwood, New Jersey has a Humid Subtropical Climate climate (Köppen classification: Cfa). Average annual temperatures range from 8.5 °C (low) to 17.5 °C (high). Annual precipitation averages 1204.7 Millimeters. Linwood 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. 11 - Nov. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -3.1 °C | 5.9 °C | 88.9 mm |
| February | -2.4 °C | 6.8 °C | 80.77 mm |
| March | 1.1 °C | 10.3 °C | 120.4 mm |
| April | 6.4 °C | 16.1 °C | 91.95 mm |
| May | 11.7 °C | 21.1 °C | 89.15 mm |
| June | 17.2 °C | 26.4 °C | 95.5 mm |
| July | 20.3 °C | 28.9 °C | 116.33 mm |
| August | 19.7 °C | 28.2 °C | 107.95 mm |
| September | 16.5 °C | 25.2 °C | 96.01 mm |
| October | 10 °C | 19.2 °C | 109.98 mm |
| November | 4.4 °C | 13.6 °C | 93.22 mm |
| December | 0.2 °C | 8.6 °C | 114.55 mm |
| Annual | 8.5 °C | 17.5 °C | 1204.71 mm |
| Average First Frost Date | Nov. 11 - Nov. 20 |
| 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 | Extreme Drought |
| Köppen Climate Classification | Cfa - Humid Subtropical Climate |