TODAY MAR19
TEMPERATURE61
HUMIDITY81
PRESSURE101760
WIND COND. 7.6
  • 7253Tue
  • 7253Wed
  • 7353Thu
  • 7153Fri
  • 6751Sat
daynightWeather update from John Wayne-Orange County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Irvine for August is 72.2 degrees
  • The lowest monthly average temperature in Irvine for December is 57 degrees
  • The most monthly precipitation in Irvine occurs in December with 2.4 inches
  • The air quality index in Irvine is 111% worse than the national average
  • The pollution index in Irvine is 1521% worse than the national average

Compare Irvine, CA Weather

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      Irvine 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
      January48°F69°F57°F2.3"
      February49°F69°F58°F1.9"
      March52°F70°F60°F0.9"
      April54°F72°F62°F0.6"
      May59°F73°F65°F0.3"
      June62°F76°F67°F0.0"
      July66°F80°F71°F0.1"
      August66°F82°F72°F0.0"
      September65°F82°F72°F0.2"
      October60°F79°F68°F0.5"
      November54°F75°F63°F0.7"
      December48°F68°F57°F2.4"

      Irvine 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.
      IndexIrvineCaliforniaNational
      Air quality index895542
      Pollution index44,192,60010,473,1902,726,193

      Irvine air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality42
      Days with moderate air quality178
      Days w/ poor A.Q. for sensitive groups79
      Days with unhealthy air quality58

      Irvine air quality information

      PollutantTotal
      Arsenic0.030%
      Benzene0.280%
      Carbon Tetrachloride0.001%
      Lead0.220%
      Mercury0.140%

      Average monthly Irvine temperature with heat index

      Irvine monthly precipitation with daily maximum

      Irvine monthly snow depth with daily maximum

      Irvine monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Stanton, CA38,3177244.0%
      Fountain Valley, CA56,1187244.0%
      Westminster, CA90,8577244.0%
      Garden Grove, CA172,8007244.0%
      Buena Park, CA82,2287244.0%
      Irvine, CA272,6948978.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Toledo, OH275,1164020.0%
      Durham, NC276,3414412.0%
      Chula Vista, CA268,7796428.0%
      Fort Wayne, IN268,3784510.0%
      Saskatoon, SK281,340n/a 
      Irvine, CA272,6948978.0%
      Source: The Irvine, 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.