Monmouth Junction New Jersey Climate Data

Monthly Average Climate Data for Monmouth Junction New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January23.1 °F40.0 °F3.59 in.
February24.5 °F42.7 °F2.78 in.
March31.5 °F50.6 °F4.45 in.
April41.3 °F62.9 °F3.93 in.
May50.9 °F72.6 °F4.07 in.
June59.9 °F81.6 °F4.62 in.
July65.5 °F86.5 °F5.03 in.
August63.8 °F84.5 °F4.52 in.
September56.5 °F78.1 °F4.22 in.
October45.0 °F66.0 °F4.14 in.
November35.0 °F55.3 °F3.49 in.
December28.0 °F45.1 °F4.5 in.
Annual43.8 °F63.8 °F49.34 in.

Climate Data for Monmouth Junction 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 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation
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