Somerville New Jersey Climate Data

Monthly Average Climate Data for Somerville New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January21.9 °F39.4 °F3.56 in.
February23.2 °F42.1 °F2.73 in.
March30.2 °F50.4 °F4.16 in.
April40.4 °F62.5 °F3.83 in.
May50.2 °F72.4 °F4.07 in.
June59.3 °F81.2 °F4.54 in.
July64.6 °F86.2 °F4.86 in.
August63.1 °F84.2 °F4.6 in.
September55.7 °F77.6 °F4.16 in.
October44.2 °F65.5 °F4.28 in.
November34.2 °F54.8 °F3.29 in.
December27.3 °F44.4 °F4.15 in.
Annual42.9 °F63.4 °F48.23 in.

Climate Data for Somerville New Jersey

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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