Manassas, VA 20109
Spring: Mild weather, with average low/high temperatures from 33 F to 75 F. Variable rainfall, with May being the wettest month of the year on average. Summer: Warm and humid weather, with average temperatures from 61 F to 88 F. Variable rainfall, with occasional downpours during storms. Fall: Mild weather, with average temperatures from 35 F to 79 F. Variable rainfall. Winter: Mild to cool weather, with average temperatures from 24 F to 47 F. Annual snowfall averages about 22 inches.
Entrance - $0.00
This per-person fee is valid year-round.