Vienna Maryland Climate Data

Monthly Average Climate Data for Vienna Maryland

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-2.4 °C7.7 °C83.31 mm
February-1.9 °C9.2 °C73.66 mm
March1.6 °C13.2 °C102.11 mm
April7.1 °C19.6 °C89.15 mm
May12.4 °C24.4 °C95 mm
June17.5 °C29.2 °C111.25 mm
July20.2 °C31.6 °C105.66 mm
August18.9 °C30.3 °C117.6 mm
September15.6 °C27.3 °C101.85 mm
October9.2 °C21.4 °C93.22 mm
November3.4 °C15.1 °C78.99 mm
December-0.2 °C10.1 °C95.5 mm
Annual8.5 °C19.9 °C1147.3 mm

Climate Data for Vienna Maryland

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7b : -15°C to -12.2°C
Plant Hardiness Zone - 2012Zone 7b : -15°C to -12.2°C
Current Drought ConditionsNormal
Köppen Climate ClassificationCfa - Humid Subtropical Climate