Clayton Delaware Climate Data

Monthly Average Climate Data for Clayton Delaware

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.8 °C5.8 °C84.58 mm
February-3.3 °C6.9 °C74.68 mm
March0.8 °C11.4 °C105.16 mm
April6.5 °C17.8 °C91.69 mm
May11.8 °C22.8 °C98.81 mm
June16.9 °C27.8 °C115.06 mm
July19.8 °C30.3 °C110.24 mm
August18.7 °C29.2 °C110.49 mm
September15.1 °C25.9 °C105.92 mm
October8.4 °C19.8 °C97.79 mm
November2.6 °C13.7 °C79.76 mm
December-1.2 °C8.3 °C98.81 mm
Annual7.7 °C18.3 °C1172.99 mm

Climate Data for Clayton 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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