Three Bridges, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 42.6 °F (low) to 63.3 °F (high). Annual precipitation averages 50 Inches. Three Bridges 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. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | 21.7 °F | 39.3 °F | 3.63 in. |
| February | 22.9 °F | 41.8 °F | 2.91 in. |
| March | 30.0 °F | 50.2 °F | 4.28 in. |
| April | 40.1 °F | 62.7 °F | 4.05 in. |
| May | 50.1 °F | 72.4 °F | 4.23 in. |
| June | 59.2 °F | 81.3 °F | 4.64 in. |
| July | 64.4 °F | 86.2 °F | 5.25 in. |
| August | 62.9 °F | 84.2 °F | 4.55 in. |
| September | 55.4 °F | 77.6 °F | 4.36 in. |
| October | 44.1 °F | 65.5 °F | 4.25 in. |
| November | 33.7 °F | 54.5 °F | 3.41 in. |
| December | 26.9 °F | 44.2 °F | 4.48 in. |
| Annual | 42.6 °F | 63.3 °F | 50.04 in. |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| 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 6a : -10°F to -5°F |
| Current Drought Conditions | Severe Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |