Dorchester New Jersey Climate Data

Monthly Average Climate Data for Dorchester New Jersey

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.7 °F42.8 °F3.34 in.
February26.4 °F44.8 °F3.02 in.
March33.0 °F51.6 °F4.39 in.
April43.1 °F63.1 °F3.49 in.
May52.6 °F72.2 °F3.51 in.
June62.3 °F81.1 °F3.91 in.
July67.7 °F85.7 °F4.55 in.
August66.0 °F83.8 °F4.67 in.
September60.3 °F78.2 °F3.87 in.
October49.0 °F67.3 °F4.05 in.
November38.6 °F56.9 °F3.21 in.
December30.9 °F47.6 °F4.13 in.
Annual46.3 °F64.6 °F46.14 in.

Climate Data for Dorchester New Jersey

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
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 ConditionsExtreme Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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