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Key findings

  • The highest monthly average temperature in Delmar for July is 79 degrees
  • The lowest monthly average temperature in Delmar for January is 37 degrees
  • The most monthly precipitation in Delmar occurs in August with 7.4 inches
  • The air quality index in Delmar is 28% better than the national average
  • The pollution index in Delmar is 50% better than the national average

Compare Delmar, DE Weather

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      Delmar 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
      January27°F48°F37°F3.2"
      February30°F51°F39°F2.6"
      March36°F58°F46°F3.5"
      April45°F70°F57°F3.5"
      May55°F77°F66°F3.5"
      June63°F86°F74°F5.0"
      July70°F90°F79°F5.6"
      August66°F87°F76°F7.4"
      September61°F82°F71°F4.9"
      October50°F72°F60°F5.2"
      November37°F61°F49°F1.8"
      December33°F54°F43°F2.9"

      Delmar 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.
      IndexDelmarDelawareNational
      Air quality index364150
      Pollution index2,538,1603,759,2125,066,862

      Delmar air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality303
      Days with moderate air quality61
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality

      Delmar air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.030%
      Carbon Tetrachloride0.004%
      Lead0.010%
      Mercury0.003%

      Average monthly Delmar temperature with heat index

      Delmar monthly precipitation with daily maximum

      Delmar monthly snow depth with daily maximum

      Delmar monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Millsboro, DE4,1213628%
      Bethel, DE1813628%
      Parsonsburg, MD2503628%
      Eldorado, MD583628%
      Eden, MD7583628%
      Delmar, DE1,7923628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Claypool Hill, VA1,7924510%
      Harbor Beach, MI1,7922648%
      Pinetop Country Club, AZ1,7924412%
      Cambridge, NY1,7923530%
      New Buffalo, MI1,7913726%
      Delmar, DE1,7923628%
      Source: The Delmar, DE 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.