TODAY MAR04
TEMPERATURE47
HUMIDITY46
PRESSURE29.89
WIND COND.
  • 4028Fri
  • 4126Sat
  • 4227Sun
  • 5035Mon
  • 5939Tue
daynightWeather update from Wilmington, New Castle County Airport at

Key findings

  • The highest monthly average temperature in Delaware City for July is 77 degrees
  • The lowest monthly average temperature in Delaware City for February is 34 degrees
  • The most monthly precipitation in Delaware City occurs in October with 6.1 inches
  • The air quality index in Delaware City is 16% better than the national average
  • The pollution index in Delaware City is 57% better than the national average

Compare Delaware City, DE Weather

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      Delaware 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
      January27°F43°F34°F3.3"
      February26°F43°F34°F2.5"
      March34°F54°F43°F3.7"
      April44°F66°F54°F4.9"
      May52°F74°F63°F3.2"
      June64°F83°F73°F5.0"
      July68°F87°F77°F5.6"
      August67°F86°F76°F3.7"
      September59°F79°F69°F4.1"
      October48°F67°F57°F6.1"
      November40°F57°F48°F3.3"
      December30°F46°F38°F5.3"

      Delaware 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.
      IndexDelaware CityDelawareNational
      Air quality index424150
      Pollution index2,169,6003,759,2125,066,862

      Delaware City air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality293
      Days with moderate air quality72
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Delaware City air quality information

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

      Average monthly Delaware City temperature with heat index

      Delaware City monthly precipitation with daily maximum

      Delaware City monthly snow depth with daily maximum

      Delaware City monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Woodstown, NJ3,5484020%
      Salem, NJ4,9314020%
      Alloway, NJ1,4574020%
      Pennsville, NJ11,4214020%
      Quinton, NJ5494020%
      Delaware City, DE1,8724216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Enterprise, OR1,8722060%
      Meyersdale, PA1,8723628%
      McCrory, AR1,8724510%
      Clayton, GA1,8724118%
      Perryopolis, PA1,8735612%
      Delaware City, DE1,8724216%
      Source: The Delaware City, 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.