Mount Arlington New Jersey Climate Data

Monthly Average Climate Data for Mount Arlington New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.3 °F35.4 °F3.75 in.
February20.1 °F37.7 °F3.18 in.
March27.8 °F45.7 °F4.23 in.
April39.0 °F58.9 °F3.9 in.
May48.6 °F69.2 °F3.99 in.
June59.1 °F78.4 °F5.17 in.
July62.7 °F83.5 °F4.39 in.
August62.3 °F81.3 °F4.75 in.
September54.4 °F74.2 °F4.79 in.
October43.5 °F62.1 °F4.42 in.
November33.7 °F51.2 °F3.54 in.
December26.1 °F40.0 °F4.61 in.
Annual41.4 °F59.8 °F50.72 in.

Climate Data for Mount Arlington New Jersey

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 1 - May 10
Average Days With Frost125-150 Days
Plant Hardiness Zone - 2023Zone 6b : -5°F to 0°F
Plant Hardiness Zone - 2012Zone 6a : -10°F to -5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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