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Key findings

  • The highest monthly average temperature in Columbia for July is 78.5 degrees
  • The lowest monthly average temperature in Columbia for January is 34.4 degrees
  • The most monthly precipitation in Columbia occurs in October with 5.7 inches
  • The air quality index in Columbia is 8% better than the national average
  • The pollution index in Columbia is 440% worse than the national average

Compare Columbia, MD Weather

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      Columbia 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"

      Columbia 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.
      IndexColumbiaMarylandNational
      Air quality index464350
      Pollution index14,735,0005,342,3672,726,193

      Columbia air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality223
      Days with moderate air quality129
      Days w/ poor A.Q. for sensitive groups13
      Days with unhealthy air quality0

      Columbia air quality information

      PollutantTotal
      Arsenic0.220%
      Benzene0.090%
      Carbon Tetrachloride0.030%
      Lead0.110%
      Mercury0.270%

      Average monthly Columbia temperature with heat index

      Columbia monthly precipitation with daily maximum

      Columbia monthly snow depth with daily maximum

      Columbia monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Randallstown, MD35,725468.0%
      Garrison, MD8,551468.0%
      Towson, MD58,189468.0%
      Fort Meade, MD9,730468.0%
      Maryland City, MD17,647468.0%
      Columbia, MD103,439468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Santa Maria, CA103,642468.0%
      Spring Hill, FL102,9293040.0%
      El Cajon, CA102,8946428.0%
      Lakeland, FL102,7143628.0%
      Rialto, CA102,4188978.0%
      Columbia, MD103,439468.0%
      Source: The Columbia, 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.