Smyrna Delaware Climate Data

Monthly Average Climate Data for Smyrna Delaware

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January25.1 °F42.4 °F3.34 in.
February26.2 °F44.4 °F2.95 in.
March33.5 °F52.4 °F4.15 in.
April43.8 °F64.1 °F3.61 in.
May53.4 °F73.1 °F3.89 in.
June62.6 °F82.0 °F4.52 in.
July67.7 °F86.5 °F4.34 in.
August65.9 °F84.6 °F4.38 in.
September59.2 °F78.7 °F4.16 in.
October47.4 °F67.6 °F3.84 in.
November36.9 °F56.7 °F3.16 in.
December30.1 °F47.0 °F3.89 in.
Annual46 °F65 °F46.23 in.

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 : 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