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Key findings

  • The highest monthly average temperature in Delphos for July is 73.7 degrees
  • The lowest monthly average temperature in Delphos for January is 27.4 degrees
  • The most monthly precipitation in Delphos occurs in June with 4.8 inches
  • The air quality index in Delphos is 22% better than the national average
  • The pollution index in Delphos is 83% better than the national average

Compare Delphos, OH Weather

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      Delphos 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
      January20°F35°F27°F2.3"
      February20°F37°F28°F2.3"
      March31°F51°F40°F3.2"
      April41°F64°F52°F4.1"
      May51°F74°F63°F4.3"
      June61°F82°F71°F4.8"
      July63°F85°F74°F3.5"
      August61°F83°F72°F3.9"
      September54°F78°F65°F2.7"
      October44°F66°F54°F2.9"
      November34°F53°F43°F2.7"
      December26°F40°F33°F3.1"

      Delphos 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.
      IndexDelphosOhioNational
      Air quality index394050
      Pollution index850,6776,740,0015,066,862

      Delphos air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality303
      Days with moderate air quality61
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Delphos air quality information

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      Average monthly Delphos temperature with heat index

      Delphos monthly precipitation with daily maximum

      Delphos monthly snow depth with daily maximum

      Delphos monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Glandorf, OH9273922%
      Fort Jennings, OH4833922%
      Lima, OH37,8363922%
      Ohio City, OH8053922%
      Van Wert, OH10,7383922%
      Delphos, OH7,2163922%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Delafield, WI7,2183726%
      Oroville East, CA7,218468%
      Bel Aire, KS7,2144020%
      Rockland, ME7,2203628%
      Riverdale Park, MD7,221476%
      Delphos, OH7,2163922%
      Source: The Delphos, 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.