TODAY MAR07
TEMPERATURE43
HUMIDITY75
PRESSURE
WIND COND.265 16.1
  • 6343Sun
  • 5942Mon20%
  • 5644Tue60%50%
  • 5742Wed
  • 6242Thu
daynightWeather update from BLACK DIAMOND at

Key findings

  • The highest monthly average temperature in Oakley for July is 71 degrees
  • The lowest monthly average temperature in Oakley for January is 48 degrees
  • The most monthly precipitation in Oakley occurs in December with 3.1 inches
  • The air quality index in Oakley is 10% better than the national average
  • The pollution index in Oakley is 170% worse than the national average

Compare Oakley, CA Weather

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      Oakley 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
      January39°F60°F48°F2.5"
      February42°F65°F53°F2.6"
      March46°F69°F56°F2.7"
      April48°F74°F60°F1.5"
      May52°F79°F63°F0.1"
      June56°F87°F69°F0.4"
      July58°F90°F71°F0.0"
      August58°F88°F70°F0.0"
      September57°F88°F70°F0.1"
      October52°F80°F64°F0.7"
      November44°F67°F54°F1.6"
      December39°F60°F49°F3.1"

      Oakley 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.
      IndexOakleyCaliforniaNational
      Air quality index455550
      Pollution index13,698,50018,106,7265,066,862

      Oakley air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality229
      Days with moderate air quality123
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality1

      Oakley air quality information

      PollutantTotal
      Arsenic0.040%
      Benzene0.110%
      Carbon Tetrachloride0.330%
      Lead0.070%
      Mercury0.120%

      Average monthly Oakley temperature with heat index

      Oakley monthly precipitation with daily maximum

      Oakley monthly snow depth with daily maximum

      Oakley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Diablo, CA8074020%
      Clayton, CA11,6554020%
      Bay Point, CA23,1314020%
      Blackhawk, CA9,4684020%
      Camino Tassajara, CA3,4564020%
      Oakley, CA38,9684510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Essex, MD38,955468%
      Hallandale Beach, FL38,9514118%
      Annapolis, MD39,009468%
      Weslaco, TX39,0214216%
      Tupelo, MS38,8563922%
      Oakley, CA38,9684510%
      Source: The Oakley, CA 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.