TODAY NOV14
TEMPERATURE24
HUMIDITY77
PRESSURE30.41
WIND COND.
  • 4532Thu
  • 5130Fri
  • 4126Sat
  • 4433Sun
  • 4936Mon
daynightWeather update from Baltimore, Baltimore-Washington International Airport at
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Ellicott City 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
January25°F46°F34°F3.1"
February25°F47°F36°F2.7"
March33°F58°F45°F3.6"
April43°F70°F56°F3.8"
May52°F77°F65°F4.1"
June62°F86°F74°F4.7"
July67°F90°F78°F4.5"
August65°F88°F76°F4.7"
September58°F82°F70°F4.3"
October47°F70°F58°F5.7"
November36°F59°F47°F2.8"
December30°F50°F39°F4.3"

Did you know?

  • The highest monthly average temperature in Ellicott City for July is 78 degrees.
  • The lowest monthly average temperature in Ellicott City for January is 34 degrees.
  • The most monthly precipitation in Ellicott City occurs in October with 5.7 inches.
  • The air quality index in Ellicott City is 8% better than the national average.
  • The pollution index in Ellicott City is 39% better than the national average.

Compare Ellicott City, MD Weather To Other Cities

Ellicott 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.
IndexEllicott CityMarylandNational
Air quality index464350
Pollution index3,089,8006,283,4705,066,862

Ellicott City air quality information

MeasurementTotal
Days measured365
Days with good air quality213
Days with moderate air quality147
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

Ellicott City air quality information

PollutantTotal
Arsenic0.003%
Benzene0.040%
Carbon Tetrachloride0.010%
Lead0.070%
Mercury0.010%

Average monthly Ellicott City temperature with heat index

Ellicott City monthly precipitation with daily maximum

Ellicott City monthly snow depth with daily maximum

Ellicott City monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Brooklyn Park, MD14,159468%
Catonsville, MD42,027468%
Columbia, MD103,439468%
Ferndale, MD18,439468%
Garrison, MD8,551468%
Ellicott City, MD70,780468%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Framingham, MA70,7433824%
Franklin, TN70,6254510%
Passaic, NJ70,536536%
Fort Myers, FL71,0513334%
Lauderhill, FL70,4524118%
Ellicott City, MD70,780468%
Source: The Ellicott City, 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.
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