Bernardsville New Jersey Climate Data

Monthly Average Climate Data for Bernardsville New Jersey

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-6.3 °C3.2 °C96.27 mm
February-5.7 °C4.6 °C74.68 mm
March-1.7 °C9.3 °C112.52 mm
April4.3 °C16.2 °C103.12 mm
May9.7 °C21.7 °C105.92 mm
June14.9 °C26.4 °C123.95 mm
July17.6 °C29.2 °C121.67 mm
August16.7 °C28.2 °C118.11 mm
September12.6 °C24.4 °C108.71 mm
October6.2 °C17.8 °C111.51 mm
November0.9 °C11.6 °C92.71 mm
December-3.1 °C5.9 °C112.52 mm
Annual5.5 °C16.5 °C1281.69 mm

Climate Data for Bernardsville New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : -17.8°C to -15°C
Plant Hardiness Zone - 2012Zone 6a : -23.3°C to -20.6°C
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
2024 plantmaps.com