TODAY OCT20
TEMPERATURE57
HUMIDITY33
PRESSURE29.75
WIND COND.
  • 4732Sun
  • 5641Mon
  • 5634Tue
  • 5131Wed
  • 5032Thu
daynightWeather update from Delaware Municipal Airport at
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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"

Did you know?

  • The highest monthly average temperature in Delaware for July is 74 degrees.
  • The lowest monthly average temperature in Delaware for January is 29 degrees.
  • The most monthly precipitation in Delaware occurs in June with 5.3 inches.
  • The air quality index in Delaware is 13% better than the national average.
  • The pollution index in Delaware is 57% better than the national average.

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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 index434050
Pollution index2,158,1806,740,0015,066,862

Delaware air quality information

MeasurementTotal
Days measured365
Days with good air quality243
Days with moderate air quality120
Days w/ poor A.Q. for sensitive groups2
Days with unhealthy air quality

Delaware air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Cardington, OH2,0093628%
Waldo, OH3583628%
Fulton, OH2243628%
Ashley, OH1,4263628%
Marengo, OH3453628%
Delaware, OH37,5544314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Oviedo, FL37,5453530%
Martinez, CA37,5444314%
Spanish Fork, UT37,565476%
Park Ridge, IL37,5676020%
Spartanburg, SC37,5704020%
Delaware, OH37,5544314%
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.