Harrington Delaware Climate Data

Monthly Average Climate Data for Harrington Delaware

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.7 °C6.4 °C87.12 mm
February-3.1 °C7.8 °C76.96 mm
March0.8 °C11.9 °C105.92 mm
April6.4 °C18.3 °C90.93 mm
May11.8 °C23.2 °C100.33 mm
June16.9 °C28.2 °C106.43 mm
July19.6 °C30.7 °C109.73 mm
August18.4 °C29.6 °C116.08 mm
September14.9 °C26.4 °C111.25 mm
October8.3 °C20.2 °C101.35 mm
November2.4 °C14.3 °C82.55 mm
December-1.2 °C9 °C99.82 mm
Annual7.6 °C18.8 °C1188.47 mm

Climate Data for Harrington 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 ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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