TODAY DEC22
TEMPERATURE27
HUMIDITY42
PRESSURE103149.4
WIND COND.360 20.4
  • 3325Mon
  • 4227Tue30%
  • 4028
  • 4228Thu
  • 4531Fri
daynightWeather update from Delaware Airpark at
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Weather Quick Facts

  • The highest monthly average temperature in Smyrna for July is 78 degrees
  • The lowest monthly average temperature in Smyrna for January is 35.3 degrees
  • The most monthly precipitation in Smyrna occurs in July with 10.2 inches
  • The air quality index in Smyrna is equal to the national average
  • The pollution index in Smyrna is 17% worse than the national average

Compare Smyrna, DE Weather

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      Smyrna 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
      January28°F44°F35°F6.3"
      February28°F46°F36°F4.5"
      March35°F55°F44°F6.6"
      April45°F66°F55°F6.3"
      May55°F75°F64°F5.8"
      June64°F83°F73°F8.1"
      July69°F87°F78°F10.2"
      August67°F85°F76°F9.2"
      September61°F79°F69°F9.7"
      October50°F69°F59°F9.2"
      November39°F58°F48°F5.9"
      December33°F50°F41°F7.5"

      Smyrna 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.
      IndexSmyrnaDelawareNational
      Air quality index424142
      Pollution index3,193,1807,274,3072,726,193

      Smyrna air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.020%

      Average monthly Smyrna temperature with heat index

      Smyrna monthly precipitation with daily maximum

      Smyrna monthly snow depth with daily maximum

      Smyrna monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Highland Acres, DE3,9134216.0%
      Rising Sun-Lebanon, DE4,1704216.0%
      Camden, DE3,5294216.0%
      Hartly, DE1674216.0%
      Townsend, DE2,5464216.0%
      Smyrna, DE11,6944216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      El Campo, TX11,6953138.0%
      Salem, OH11,6924216.0%
      Tomball, TX11,689524.0%
      Excelsior Springs, MO11,688476.0%
      Spearfish, SD11,7024412.0%
      Smyrna, DE11,6944216.0%
      Source: The Smyrna, 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.