Basking Ridge, New Jersey has a Humid Continental Hot Summers With Year Around Precipitation climate (Köppen classification: Dfa). Average annual temperatures range from 5.5 °C (low) to 16.9 °C (high). Annual precipitation averages 1274.1 Millimeters. Basking Ridge is located in USDA Plant Hardiness Zone 7a. The growing season typically runs from the last frost around Apr. 21 - Apr. 30 through the first frost around Oct. 11 - Oct. 20.
| Month | Avg. Low | Avg. High | Avg. Precip |
|---|---|---|---|
| January | -6.2 °C | 3.5 °C | 95.76 mm |
| February | -5.5 °C | 4.9 °C | 74.42 mm |
| March | -1.5 °C | 9.6 °C | 112.52 mm |
| April | 4.3 °C | 16.5 °C | 102.62 mm |
| May | 9.8 °C | 21.9 °C | 105.16 mm |
| June | 14.8 °C | 26.8 °C | 122.94 mm |
| July | 17.6 °C | 29.5 °C | 121.16 mm |
| August | 16.7 °C | 28.5 °C | 117.6 mm |
| September | 12.6 °C | 24.8 °C | 107.95 mm |
| October | 6.2 °C | 18.1 °C | 110.74 mm |
| November | 0.8 °C | 11.9 °C | 91.95 mm |
| December | -3.1 °C | 6.2 °C | 111.25 mm |
| Annual | 5.5 °C | 16.9 °C | 1274.07 mm |
| Average First Frost Date | Oct. 11 - Oct. 20 |
| Average Last Frost Date | Apr. 21 - Apr. 30 |
| Average Days With Frost | 100-125 Days |
| Plant Hardiness Zone | Zone 7a : -17.8°C to -15°C |
| Plant Hardiness Zone - 2012 | Zone 6a : -23.3°C to -20.6°C |
| Current Drought Conditions | Moderate Drought |
| Köppen Climate Classification | Dfa - Humid Continental Hot Summers With Year Around Precipitation |