TODAY AUG17
TEMPERATURE80
HUMIDITY85
PRESSURE30.08
WIND COND.190 5.8
  • 8871Sat60%50%
  • 8368Sun50%40%
  • 8470Mon30%
  • 8671Tue80%80%
  • 8567Wed60%30%
daynightWeather update from Quantico Marine Corps Airfield - Turner Field at

Dale City 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
January26°F45°F35°F4.6"
February27°F48°F37°F4.1"
March36°F59°F47°F5.4"
April45°F70°F57°F6.6"
May54°F77°F66°F7.2"
June63°F86°F74°F10.2"
July67°F89°F78°F8.7"
August66°F87°F76°F7.4"
September59°F81°F69°F11.4"
October48°F70°F58°F8.8"
November37°F59°F47°F5.7"
December31°F50°F40°F5.9"

Did you know?

  • The highest monthly average temperature in Dale City for July is 78 degrees.
  • The lowest monthly average temperature in Dale City for January is 35 degrees.
  • The most monthly precipitation in Dale City occurs in September with 11.4 inches.
  • The air quality index in Dale City is 1% better than the national average.
  • The pollution index in Dale City is 89% better than the national average.

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Compare Dale City, VA Weather To Other Cities

Dale City 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.
IndexDale CityVirginiaNational
Air quality index495850
Pollution index520,9361,533,7925,066,862

Dale City 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

Dale City air quality information

PollutantTotal
Arsenic0.020%
Benzene0.010%
Carbon Tetrachloride0.002%
Lead0.050%
Mercury0.001%

Average monthly Dale City temperature with heat index

Dale City monthly precipitation with daily maximum

Dale City monthly snow depth with daily maximum

Dale City monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Bryans Road, MD7,563492%
Annandale, VA43,158492%
Belle Haven, VA6,705492%
Burke, VA42,290492%
Clifton, VA219492%
Dale City, VA73,384492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Loveland, CO73,360468%
Appleton, WI73,4463824%
Milpitas, CA73,447484%
Union City, CA73,500484%
Warner Robins, GA73,2653824%
Dale City, VA73,384492%
Source: The Dale City, 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.