Manassas city Climate
Manassas city, Virginia
Avg Annual Temp
55.5°F
Annual Precip
—
Annual Snowfall
—
Extreme Heat Days
40.5
days >= 90°F/yr
Monthly Temperature
Precipitation Calendar
Precipitation data coming soon
Seasonal Overview
National Comparison
Data pending
Climate Profile
About Manassas city Weather
A Warm Hub in the Mid-Atlantic
Manassas city averages 55.5°F annually, placing it above the national median. The city experiences a humid subtropical climate with significant summer heat and distinct winter cooling.
Typical Virginia Temperature Profile
The city's 55.5°F average sits just below the Virginia statewide average of 55.9°F. This makes Manassas warmer than many Northern Virginia counties but cooler than the coastal southeast.
Warmer and Hotter Than Loudoun
Manassas is warmer than Loudoun County (54.8°F) and experiences more intense summer peaks. The city's July average of 78.1°F makes it one of the warmer urban centers in the northern region.
Intense Summer Heat Waves
Summer is the dominant season, featuring 41 days of extreme heat above 90°F. Winters are relatively moderate with a 35.5°F average, though local snowfall records are currently unavailable.
Prepare for Forty Hot Days
With 41 days of extreme heat, a high-performance cooling system is the most critical home investment. Residents should plan outdoor activities for early morning to avoid the frequent 90-degree afternoon peaks.
Frequently Asked Questions
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Data source: NOAA National Centers for Environmental Information (NCEI), U.S. Climate Normals 1991-2020.
Climate normals are 30-year averages of weather variables computed from 1991 to 2020. Station data is aggregated to county level using spatial averaging. Data is informational only — not a substitute for official National Weather Service forecasts or emergency weather warnings.