Annandale Virginia Climate Data

Monthly Average Climate Data for Annandale Virginia

Switch Data to Fahrenheit
MonthAvg. LowAvg. HighAvg. Precip
January-3.1 °C6.3 °C77.22 mm
February-2.2 °C8.2 °C68.33 mm
March1.5 °C12.8 °C98.55 mm
April7.1 °C19.5 °C85.6 mm
May12.4 °C24 °C112.78 mm
June17.6 °C28.6 °C114.55 mm
July20.2 °C30.9 °C116.84 mm
August19.3 °C30 °C90.17 mm
September15.7 °C26.3 °C112.52 mm
October9 °C19.8 °C96.27 mm
November3.2 °C14 °C80.01 mm
December-0.7 °C8.5 °C91.95 mm
Annual8.3 °C19.1 °C1144.79 mm

Climate Data for Annandale Virginia

Average First Frost DateOct. 21 - Oct. 31
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 ConditionsModerate Drought
Köppen Climate ClassificationCfa - Humid Subtropical Climate