Smyrna Delaware Climate Data

Monthly Average Climate Data for Smyrna Delaware

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.8 °C5.8 °C84.84 mm
February-3.2 °C6.9 °C74.93 mm
March0.8 °C11.3 °C105.41 mm
April6.6 °C17.8 °C91.69 mm
May11.9 °C22.8 °C98.81 mm
June17 °C27.8 °C114.81 mm
July19.8 °C30.3 °C110.24 mm
August18.8 °C29.2 °C111.25 mm
September15.1 °C25.9 °C105.66 mm
October8.6 °C19.8 °C97.54 mm
November2.7 °C13.7 °C80.26 mm
December-1.1 °C8.3 °C98.81 mm
Annual7.8 °C18.3 °C1174.25 mm

Climate Data for Smyrna 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
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