Dover Delaware Climate Data

Monthly Average Climate Data for Dover Delaware

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.7 °F43.1 °F3.4 in.
February26.7 °F45.3 °F3.01 in.
March34.0 °F52.8 °F4.17 in.
April44.1 °F64.0 °F3.61 in.
May53.5 °F72.8 °F3.84 in.
June63.0 °F81.7 °F4.2 in.
July68.1 °F86.3 °F4.11 in.
August66.3 °F84.4 °F4.74 in.
September59.6 °F78.6 °F3.88 in.
October47.9 °F67.7 °F3.86 in.
November37.3 °F57.0 °F3.2 in.
December30.5 °F47.6 °F3.9 in.
Annual46.4 °F65.1 °F45.92 in.

Climate Data for Dover 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 ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate