Ashburn Virginia Climate Data

Monthly Average Climate Data for Ashburn Virginia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.4 °F42.8 °F3.04 in.
February26.0 °F46.1 °F2.61 in.
March32.9 °F54.6 °F3.74 in.
April42.9 °F66.5 °F3.36 in.
May52.7 °F74.7 °F4.51 in.
June61.8 °F83.3 °F4.37 in.
July66.7 °F88.0 °F4.2 in.
August64.7 °F86.3 °F3.55 in.
September58.0 °F79.6 °F4.36 in.
October45.4 °F68.0 °F3.91 in.
November34.9 °F56.8 °F3.27 in.
December28.5 °F46.7 °F3.64 in.
Annual44.9 °F66.1 °F44.56 in.

Climate Data for Ashburn Virginia

Average First Frost DateOct. 11 - Oct. 20
Average Last Frost DateMay 11 - May 20
Average Days With Frost100-125 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 6b : -5°F to 0°F
Current Drought ConditionsModerate Drought
Köppen Climate ClassificationDfa - Humid Continental Hot Summers With Year Around Precipitation