Gibbsboro, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 45.3 °F (low) to 64.4 °F (high). Annual precipitation averages 47.3 Inches. Gibbsboro is located in USDA Plant Hardiness Zone 7b. 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 | 24.4 °F | 40.9 °F | 3.65 in. |
| February | 25.8 °F | 43.6 °F | 2.83 in. |
| March | 32.8 °F | 51.4 °F | 4.53 in. |
| April | 42.8 °F | 63.7 °F | 3.5 in. |
| May | 52.3 °F | 73.6 °F | 3.83 in. |
| June | 61.6 °F | 82.6 °F | 4.22 in. |
| July | 67.2 °F | 86.7 °F | 4.74 in. |
| August | 65.4 °F | 84.8 °F | 4.8 in. |
| September | 58.7 °F | 78.2 °F | 4.04 in. |
| October | 46.8 °F | 66.3 °F | 3.85 in. |
| November | 36.6 °F | 55.6 °F | 3.12 in. |
| December | 29.5 °F | 45.7 °F | 4.21 in. |
| Annual | 45.3 °F | 64.4 °F | 47.32 in. |
| Average First Frost Date | Oct. 21 - Oct. 31 |
| Average Last Frost Date | Apr. 11 - Apr. 20 |
| Average Days With Frost | 75-100 Days |
| Plant Hardiness Zone | Zone 7b : 5°F to 10°F |
| Plant Hardiness Zone - 2012 | Zone 6b : -5°F to 0°F |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |