Milltown New Jersey Climate Data

Monthly Average Climate Data for Milltown New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.9 °F40.1 °F3.65 in.
February24.2 °F42.8 °F2.83 in.
March31.2 °F50.6 °F4.24 in.
April41.1 °F62.8 °F3.85 in.
May50.6 °F72.6 °F4.05 in.
June59.8 °F81.6 °F4.56 in.
July65.3 °F86.6 °F4.88 in.
August63.7 °F84.4 °F4.6 in.
September56.5 °F78.0 °F4.21 in.
October45.0 °F65.9 °F4.11 in.
November35.0 °F55.4 °F3.39 in.
December28.1 °F45.2 °F4.33 in.
Annual43.6 °F63.8 °F48.7 in.

Climate Data for Milltown 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