Port Penn Delaware Climate Data

Monthly Average Climate Data for Port Penn Delaware

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.5 °F41.1 °F3.25 in.
February26.5 °F43.3 °F2.81 in.
March33.5 °F51.2 °F4.06 in.
April43.9 °F63.6 °F3.54 in.
May53.7 °F72.8 °F3.7 in.
June63.1 °F81.6 °F4.51 in.
July68.2 °F85.9 °F4.39 in.
August66.7 °F84.2 °F4.05 in.
September60.0 °F78.3 °F4.15 in.
October48.0 °F66.7 °F3.81 in.
November37.4 °F55.4 °F3.02 in.
December30.3 °F45.7 °F3.89 in.
Annual46.4 °F64.2 °F45.18 in.

Climate Data for Port Penn Delaware

Average First Frost DateNov. 1 - Nov. 10
Average Last Frost DateApr. 21 - Apr. 30
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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