Manassas Virginia Climate Data

Monthly Average Climate Data for Manassas Virginia

Switch Data to Celsius/Metric Units
MonthAvg. LowAvg. HighAvg. Precip
January24.5 °F43.4 °F2.85 in.
February25.9 °F46.5 °F2.49 in.
March33.0 °F55.1 °F3.5 in.
April43.0 °F66.9 °F3.01 in.
May52.8 °F74.9 °F4.11 in.
June62.1 °F83.6 °F4.36 in.
July66.9 °F87.9 °F4.06 in.
August64.8 °F86.0 °F3.75 in.
September58.1 °F79.7 °F4.33 in.
October45.5 °F68.1 °F3.58 in.
November35.0 °F57.1 °F3.18 in.
December28.5 °F47.2 °F3.41 in.
Annual45 °F66.4 °F42.63 in.

Climate Data for Manassas Virginia

Average First Frost DateOct. 21 - Oct. 31
Average Last Frost DateMay 1 - May 10
Average Days With Frost75-100 Days
Plant Hardiness Zone - 2023Zone 7a : 0°F to 5°F
Plant Hardiness Zone - 2012Zone 7a : 0°F to 5°F
Current Drought ConditionsAbnormally Dry
Köppen Climate ClassificationCfa - Humid Subtropical Climate