TODAY AUG18
TEMPERATURE
HUMIDITY
PRESSURE29.95
WIND COND.200 4.7
  • 8266Sun30%40%
  • 8367Mon
  • 8370Tue40%60%
  • 8361Wed60%30%
  • 7960Thu
daynightWeather update from Frederick Municipal Airport at

Frederick 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
January23°F36°F29°F4.0"
February23°F36°F29°F3.7"
March33°F50°F40°F5.2"
April44°F63°F52°F4.8"
May54°F70°F61°F5.1"
June61°F77°F68°F5.8"
July66°F81°F73°F4.0"
August64°F79°F71°F4.3"
September56°F70°F62°F4.4"
October48°F62°F55°F5.6"
November37°F51°F43°F3.8"
December29°F41°F35°F5.0"

Did you know?

  • The highest monthly average temperature in Frederick for July is 73 degrees.
  • The lowest monthly average temperature in Frederick for February is 29 degrees.
  • The most monthly precipitation in Frederick occurs in June with 5.8 inches.
  • The air quality index in Frederick is 17% better than the national average.
  • The pollution index in Frederick is 9% worse than the national average.

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Compare Frederick, MD Weather To Other Cities

Frederick 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.
IndexFrederickMarylandNational
Air quality index414350
Pollution index5,553,8706,283,4705,066,862

Frederick air quality information

MeasurementTotal
Days measured363
Days with good air quality276
Days with moderate air quality84
Days w/ poor A.Q. for sensitive groups3
Days with unhealthy air quality

Frederick air quality information

PollutantTotal
Arsenic0.004%
Benzene0.070%
Carbon Tetrachloride0.010%
Lead0.410%
Mercury0.070%

Average monthly Frederick temperature with heat index

Frederick monthly precipitation with daily maximum

Frederick monthly snow depth with daily maximum

Frederick monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Yarrowsburg, MD04118%
Braddock Heights, MD2,7344118%
Burkittsville, MD1474118%
Jefferson, MD2,1124118%
Mapleville, MD2474118%
Frederick, MD68,2294118%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Mount Vernon, NY68,217536%
St. Charles, MO68,3416020%
Waterloo, IA68,3574314%
Dothan, AL68,0663334%
Jacksonville, NC68,4043334%
Frederick, MD68,2294118%
Source: The Frederick, MD 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.