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Key findings

  • The highest monthly average temperature in Oakland for July is 76 degrees
  • The lowest monthly average temperature in Oakland for January is 26 degrees
  • The most monthly precipitation in Oakland occurs in August with 5.1 inches
  • The air quality index in Oakland is 11% worse than the national average
  • The pollution index in Oakland is 1484% worse than the national average

Compare Chicago, IL Weather

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      Oakland 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°F34°F26°F1.9"
      February21°F36°F28°F1.6"
      March33°F49°F40°F2.4"
      April42°F62°F51°F3.6"
      May52°F73°F61°F4.3"
      June63°F82°F72°F4.6"
      July68°F86°F76°F3.5"
      August67°F83°F75°F5.1"
      September60°F77°F68°F2.8"
      October48°F65°F55°F3.9"
      November36°F51°F43°F2.2"
      December25°F37°F31°F2.2"

      Oakland 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.
      IndexOaklandChicagoIllinois
      Air quality index555541
      Pollution index80,238,70480,238,7043,347,295

      Oakland air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality121
      Days with moderate air quality227
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality1

      Oakland air quality information

      PollutantTotal
      Arsenic0.760%
      Benzene0.560%
      Carbon Tetrachloride0.280%
      Lead0.480%
      Mercury0.480%

      Average monthly Oakland temperature with heat index

      Oakland monthly precipitation with daily maximum

      Oakland monthly snow depth with daily maximum

      Oakland monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      River Forest, IL11,2175510%
      Rosemont, IL4,7155510%
      Stone Park, IL4,9365510%
      Worth, IL10,7765510%
      Berwyn, IL56,4145510%
      Chicago, IL2,714,0175510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Houston, TX2,240,582524%
      Philadelphia, PA1,559,938512%
      Phoenix, AZ1,555,3247448%
      Los Angeles, CA3,918,8727244%
      San Antonio, TX1,439,358492%
      Chicago, IL2,714,0175510%
      Source: The Oakland, Chicago, IL 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.