Springfield, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 44.1 °F (low) to 63.9 °F (high). Annual precipitation averages 48.7 Inches. Springfield is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 11 - Apr. 20 through the first frost around Oct. 21 - Oct. 31.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 23.0 °F | 39.7 °F | 3.6 in. |
| February | 24.4 °F | 42.4 °F | 2.88 in. |
| March | 31.4 °F | 50.7 °F | 4.2 in. |
| April | 41.7 °F | 63.0 °F | 3.97 in. |
| May | 51.3 °F | 72.9 °F | 4.08 in. |
| June | 60.7 °F | 81.9 °F | 4.56 in. |
| July | 65.9 °F | 86.9 °F | 4.65 in. |
| August | 64.3 °F | 85.1 °F | 4.49 in. |
| September | 57.2 °F | 78.3 °F | 4.27 in. |
| October | 45.4 °F | 66.2 °F | 4.42 in. |
| November | 35.8 °F | 54.9 °F | 3.44 in. |
| December | 28.6 °F | 44.7 °F | 4.16 in. |
| Annual | 44.1 °F | 63.9 °F | 48.72 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : 0°F to 5°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |