TODAY NOV20
TEMPERATURE73°F
HUMIDITY66%
PRESSURE30.13 inHg
WIND COND.130° 3.5 mph
  • 8370Sat30%
  • 7970Sun70% | 80%
  • 7969Columbus Day60% | 50%
  • 8465Tue30% | 40%
  • 7857Wed
daynightWeather update from Fort Belvoir, on 6 Oct 10:56 am EDT

Annandale 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
January8°F73°F38°F2.7"
February10°F74°F38°F2.2"
March14°F85°F46°F2.6"
April28°F92°F57°F4.1"
May38°F95°F65°F5.7"
June54°F98°F75°F5.8"
July62°F98°F79°F3.1"
August61°F102°F79°F2.1"
September50°F95°F72°F3.3"
October37°F94°F60°F5.7"
November21°F77°F50°F3.1"
December16°F75°F40°F3.7"

Did you know?

  • The highest monthly average temperature in Annandale for August is 79 degrees.
  • The lowest monthly average temperature in Annandale for February is 38 degrees.
  • The most monthly precipitation in Annandale occurs in June with 5.8 inches.
  • The air quality index in Annandale is 1% better than the national average.
  • The pollution index in Annandale is 95% better than the national average.

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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 index495750
Pollution index208,4341,483,0175,100,859

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.
Washington, DC633,7363334%
Woodlawn CDP (Fairfax County), VA20,8113530%
Woodlawn, VA2,0823530%
Hayfield, VA4,5013726%
County Center, VA2,5473922%
Annandale, VA43,479492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Wylie, TX43,531548%
Newark, CA43,635484%
Belleville, IL43,2966020%
El Centro, CA43,268476%
Haltom City, TX43,259548%
Annandale, VA43,479492%
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.