Harrington Delaware Climate Data

Monthly Average Climate Data for Harrington Delaware

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.3 °F43.5 °F3.43 in.
February26.5 °F46.0 °F3.03 in.
March33.4 °F53.5 °F4.17 in.
April43.5 °F64.9 °F3.58 in.
May53.2 °F73.8 °F3.95 in.
June62.4 °F82.7 °F4.19 in.
July67.3 °F87.2 °F4.32 in.
August65.1 °F85.3 °F4.57 in.
September58.9 °F79.5 °F4.38 in.
October46.9 °F68.3 °F3.99 in.
November36.4 °F57.7 °F3.25 in.
December29.9 °F48.2 °F3.93 in.
Annual45.7 °F65.9 °F46.79 in.

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 : 5°F to 10°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate
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