Millstone New Jersey Climate Data

Monthly Average Climate Data for Millstone New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January22.2 °F39.6 °F3.62 in.
February23.5 °F42.3 °F2.79 in.
March30.6 °F50.4 °F4.22 in.
April40.7 °F62.7 °F3.86 in.
May50.5 °F72.6 °F4.03 in.
June59.4 °F81.4 °F4.53 in.
July64.8 °F86.3 °F4.93 in.
August63.3 °F84.3 °F4.58 in.
September55.9 °F77.8 °F4.17 in.
October44.5 °F65.7 °F4.24 in.
November34.3 °F55.1 °F3.35 in.
December27.3 °F44.7 °F4.26 in.
Annual43.1 °F63.6 °F48.58 in.

Climate Data for Millstone 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