Somerset New Jersey Climate Data

Monthly Average Climate Data for Somerset New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.6 °F39.9 °F3.63 in.
February23.9 °F42.6 °F2.82 in.
March30.9 °F50.6 °F4.23 in.
April40.9 °F62.8 °F3.85 in.
May50.6 °F72.6 °F4.04 in.
June59.8 °F81.5 °F4.55 in.
July65.2 °F86.6 °F4.87 in.
August63.6 °F84.3 °F4.59 in.
September56.4 °F77.8 °F4.19 in.
October44.8 °F65.8 °F4.18 in.
November34.8 °F55.2 °F3.37 in.
December27.8 °F45.0 °F4.28 in.
Annual43.4 °F63.7 °F48.6 in.

Climate Data for Somerset New Jersey

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsNormal
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation