Grenloch New Jersey Climate Data

Monthly Average Climate Data for Grenloch New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.4 °F41.6 °F3.71 in.
February26.8 °F44.2 °F2.82 in.
March33.4 °F51.9 °F4.53 in.
April43.6 °F64.1 °F3.53 in.
May52.9 °F73.7 °F3.78 in.
June62.5 °F82.9 °F4.27 in.
July68.0 °F87.2 °F4.65 in.
August66.2 °F85.2 °F4.64 in.
September59.7 °F78.5 °F4.1 in.
October47.5 °F66.5 °F3.92 in.
November37.4 °F55.9 °F3.1 in.
December30.5 °F46.3 °F4.22 in.
Annual46.2 °F64.8 °F47.27 in.

Climate Data for Grenloch New Jersey

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateApr. 11 - Apr. 20
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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