TODAY NOV02
TEMPERATURE
HUMIDITY80
PRESSURE102910
WIND COND.
  • 6753Sun20%
  • 7359Mon
  • 7858Tue80%
  • 6948Wed90%
  • 6543Thu
daynightWeather update from Delaware Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Delaware for July is 74.3 degrees
  • The lowest monthly average temperature in Delaware for January is 28.8 degrees
  • The most monthly precipitation in Delaware occurs in June with 5.3 inches
  • The air quality index in Delaware is 9% worse than the national average
  • The pollution index in Delaware is 21% better than the national average

Compare Delaware, OH Weather

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      Delaware 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
      January21°F37°F29°F1.9"
      February21°F39°F29°F1.9"
      March32°F53°F41°F3.6"
      April42°F66°F53°F3.3"
      May52°F75°F63°F3.5"
      June60°F83°F71°F5.3"
      July64°F85°F74°F4.3"
      August62°F84°F73°F2.7"
      September55°F78°F66°F3.7"
      October44°F66°F54°F3.3"
      November33°F54°F43°F2.2"
      December27°F42°F34°F3.0"

      Delaware 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.
      IndexDelawareOhioNational
      Air quality index464042
      Pollution index2,158,1804,472,3862,726,193

      Delaware air quality

      MeasurementTotal
      Days measured365
      Days with good air quality237
      Days with moderate air quality127
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.160%
      Benzene0.030%
      Carbon Tetrachloride0.003%
      Lead0.010%
      Mercury0.000%

      Average monthly Delaware temperature with heat index

      Delaware monthly precipitation with daily maximum

      Delaware monthly snow depth with daily maximum

      Delaware monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ashley, OH1,6724118.0%
      Cardington, OH1,5714118.0%
      Marengo, OH2694118.0%
      Waldo, OH3624118.0%
      Fulton, OH2554118.0%
      Delaware, OH41,818468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Spring Hill, TN41,7973138.0%
      Apache Junction, AZ41,8637448.0%
      Bell Gardens, CA41,7707244.0%
      Timmins, ON41,763n/a 
      Midland, MI41,9222648.0%
      Delaware, OH41,818468.0%
      Source: The Delaware, OH 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.