TODAY DEC15
TEMPERATURE56
HUMIDITY35
PRESSURE29.95
WIND COND.260 9.2
  • 3939Mon80%80%
  • 5331Tue80%40%
  • 4024Wed
  • 3626Thu
  • 4129Fri
daynightWeather update from Fort Belvoir at
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Annandale Average Temperature

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 Annandale for July is 78 degrees.
  • The lowest monthly average temperature in Annandale for January is 35 degrees.
  • The most monthly precipitation in Annandale occurs in September with 11.4 inches.
  • The air quality index in Annandale is 1% better than the national average.
  • The pollution index in Annandale is 96% better than the national average.

Compare Annandale, VA Weather To Other Cities

Annandale 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.
IndexAnnandaleVirginiaNational
Air quality index495850
Pollution index208,4341,533,7925,066,862

Annandale 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

Annandale air quality information

PollutantTotal
Arsenic0.003%
Benzene0.002%
Carbon Tetrachloride0.001%
Lead0.001%
Mercury0.000%

Average monthly Annandale temperature with heat index

Annandale monthly precipitation with daily maximum

Annandale monthly snow depth with daily maximum

Annandale monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Accokeek, MD11,466492%
Bladensburg, MD9,505492%
Camp Springs, MD20,770492%
Chevy Chase Section Three, MD733492%
College Park, MD31,942492%
Annandale, VA43,158492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Bothell, WA43,153492%
Jefferson City, MO43,1433726%
Freeport, NY43,217536%
North Lauderdale, FL43,0874118%
DeKalb, IL43,2693138%
Annandale, VA43,158492%
Source: The Annandale, 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.
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