Mountain Lakes New Jersey Climate Data

Monthly Average Climate Data for Mountain Lakes New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January20.6 °F37.5 °F3.73 in.
February21.6 °F39.9 °F2.77 in.
March29.1 °F48.1 °F4.13 in.
April39.9 °F60.6 °F3.99 in.
May49.5 °F70.7 °F4.06 in.
June59.1 °F79.4 °F5.09 in.
July63.9 °F85.3 °F4.42 in.
August62.5 °F83.2 °F4.64 in.
September54.9 °F76.4 °F4.4 in.
October43.4 °F64.4 °F4.41 in.
November34.1 °F52.8 °F3.62 in.
December26.7 °F42.4 °F4.33 in.
Annual42.1 °F61.7 °F49.59 in.

Climate Data for Mountain Lakes New Jersey

Average First Frost DateOct. 11 - Oct. 20
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 ConditionsAbnormally Dry
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
2024 plantmaps.com