Port Penn Delaware Climate Data

Monthly Average Climate Data for Port Penn Delaware

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.6 °C5.1 °C82.55 mm
February-3.1 °C6.3 °C71.37 mm
March0.8 °C10.7 °C103.12 mm
April6.6 °C17.6 °C89.92 mm
May12.1 °C22.7 °C93.98 mm
June17.3 °C27.6 °C114.55 mm
July20.1 °C29.9 °C111.51 mm
August19.3 °C29 °C102.87 mm
September15.6 °C25.7 °C105.41 mm
October8.9 °C19.3 °C96.77 mm
November3 °C13 °C76.71 mm
December-0.9 °C7.6 °C98.81 mm
Annual8 °C17.9 °C1147.57 mm

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 : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate
2024 plantmaps.com