Hewitt New Jersey Climate Data

Monthly Average Climate Data for Hewitt New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January19.5 °F36.8 °F3.96 in.
February20.4 °F39.9 °F2.98 in.
March27.9 °F47.5 °F4.45 in.
April38.5 °F60.4 °F3.94 in.
May47.7 °F70.8 °F3.92 in.
June57.0 °F79.1 °F4.96 in.
July61.6 °F84.8 °F4.21 in.
August60.6 °F82.9 °F5.04 in.
September52.8 °F76.2 °F4.83 in.
October41.7 °F63.7 °F4.48 in.
November32.6 °F52.5 °F4.01 in.
December25.5 °F41.6 °F4.58 in.
Annual40.5 °F61.4 °F51.36 in.

Climate Data for Hewitt 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 6a : -10°F to -5°F
Current Drought ConditionsSevere Drought
Köppen Climate ClassificationDfb - Humid Continental Mild Summer, Wet All Year
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