TODAY JUN23
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 8669Sat50%40%
  • 8968Sun20%30%
  • 8463Mon
  • 8265Tue
  • 8571Wed50%60%
daynightWeather update from Fort Belvoir at

George Mason Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January3°F73°F37°F2.6"
February7°F73°F38°F2.0"
March9°F86°F47°F2.5"
April28°F93°F58°F4.4"
May34°F95°F65°F4.7"
June47°F101°F74°F6.6"
July54°F100°F78°F5.3"
August55°F102°F78°F2.3"
September43°F93°F70°F3.2"
October28°F94°F59°F5.6"
November21°F75°F49°F3.2"
December12°F75°F39°F3.0"

Did you know?

  • The highest monthly average temperature in George Mason for August is 78 degrees.
  • The lowest monthly average temperature in George Mason for January is 37 degrees.
  • The most monthly precipitation in George Mason occurs in June with 6.6 inches.
  • The air quality index in George Mason is 1% better than the national average.
  • The pollution index in George Mason is 92% better than the national average.

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Compare George Mason, VA Weather To Other Cities

George Mason air quality index & pollution index

In the event that the air quality/pollution data was unavailable for this city, estimates based upon nearby cities were used.
IndexGeorge MasonVirginiaNational
Air quality index495850
Pollution index380,1241,533,7925,066,862

George Mason air quality information

MeasurementTotal
Days measured365
Days with good air quality194
Days with moderate air quality166
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

George Mason air quality information

PollutantTotal
Arsenic0.003%
Benzene0.005%
Carbon Tetrachloride0.001%
Lead0.001%
Mercury0.000%

Average monthly George Mason temperature with heat index

George Mason monthly precipitation with daily maximum

George Mason monthly snow depth with daily maximum

George Mason monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Dulles Town Center, VA4,619492%
Fair Lakes, VA7,829492%
Fort Belvoir, VA8,204492%
Great Falls, VA15,786492%
Herndon, VA24,415492%
George Mason, VA10,028492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Woodbury, NJ10,0245714%
Key Largo, FL10,0244118%
East Stroudsburg, PA10,0233922%
Bonham, TX10,040325550%
Gages Lake, IL10,0413530%
George Mason, VA10,028492%
Source: The George Mason, VA weather data displayed above is derived from the NOAA (National Oceanic and Atmospheric). Air quality and pollution data is derived from the EPA (United States Environmental Protection Agency). Air quality and pollution levels measured in a particular area may not be representative of the entire county.