Seaford Delaware Climate Data

Monthly Average Climate Data for Seaford Delaware

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.5 °C6.8 °C87.38 mm
February-2.8 °C8.3 °C76.2 mm
March0.6 °C12.2 °C105.66 mm
April6.4 °C18.2 °C90.42 mm
May12 °C23.3 °C97.54 mm
June17.2 °C28.3 °C105.92 mm
July19.8 °C30.6 °C111 mm
August18.5 °C29.4 °C121.16 mm
September15.1 °C26.4 °C114.55 mm
October8.6 °C20.6 °C103.38 mm
November2.5 °C14.5 °C83.57 mm
December-1 °C9.4 °C97.28 mm
Annual7.8 °C19 °C1194.06 mm

Climate Data for Seaford Delaware

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 : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7a : -17.8°C to -15°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate