TODAY JUL18
TEMPERATURE70
HUMIDITY73
PRESSURE29.92
WIND COND.330 10.3
  • 8567Thu
  • 8870Fri20%
  • 8269Sat40%50%
  • 8571Sun70%70%
  • 8772Mon60%60%
daynightWeather update from Washington/Reagan National Airport, DC at

Seminary Hill 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 Seminary Hill for August is 79 degrees.
  • The lowest monthly average temperature in Seminary Hill for February is 38 degrees.
  • The most monthly precipitation in Seminary Hill occurs in June with 5.8 inches.
  • The air quality index in Seminary Hill is 1% better than the national average.
  • The pollution index in Seminary Hill is 45% better than the national average.

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Compare Alexandria, VA Weather To Other Cities

Seminary Hill 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.
IndexSeminary HillAlexandriaVirginia
Air quality index494958
Pollution index2,776,5902,776,5901,533,792

Seminary Hill 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

Seminary Hill air quality information

PollutantTotal
Arsenic0.070%
Benzene0.020%
Carbon Tetrachloride0.010%
Lead0.020%
Mercury0.030%

Average monthly Seminary Hill temperature with heat index

Seminary Hill monthly precipitation with daily maximum

Seminary Hill monthly snow depth with daily maximum

Seminary Hill monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Adelphi, MD15,554492%
Bethesda, MD62,608492%
Brookmont, MD3,810492%
Capitol Heights, MD4,489492%
Chevy Chase Section Five, MD641492%
Alexandria, VA151,473492%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Pomona, CA151,8078570%
Escondido, CA149,9126122%
Lakewood, CO149,793548%
Kansas City, KS149,7555816%
Pasadena, TX153,286524%
Alexandria, VA151,473492%
Source: The Seminary Hill, Alexandria, 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.