TODAY NOV02
TEMPERATURE57
HUMIDITY44
PRESSURE102780
WIND COND. 5.4
  • 6743Sun
  • 7253Mon
  • 7960Tue
  • 7353Wed60%30%
  • 6846Thu40%
daynightWeather update from Pittsburgh - Allegheny County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in California for July is 73.5 degrees
  • The lowest monthly average temperature in California for January is 29.7 degrees
  • The most monthly precipitation in California occurs in July with 5.1 inches
  • The air quality index in California is 33% worse than the national average
  • The pollution index in California is 67% better than the national average

Compare California, PA Weather

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      California 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
      January22°F38°F30°F3.2"
      February23°F39°F30°F2.2"
      March32°F52°F41°F3.4"
      April43°F65°F53°F3.4"
      May52°F74°F62°F4.2"
      June60°F81°F70°F5.1"
      July64°F84°F73°F5.1"
      August63°F82°F72°F4.1"
      September56°F77°F66°F3.1"
      October46°F65°F54°F3.8"
      November35°F54°F44°F2.8"
      December28°F43°F35°F3.7"

      California 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.
      IndexCaliforniaPennsylvaniaNational
      Air quality index564542
      Pollution index889,8084,584,8052,726,193

      California air quality

      MeasurementTotal
      Days measured365
      Days with good air quality129
      Days with moderate air quality220
      Days w/ poor A.Q. for sensitive groups12
      Days with unhealthy air quality4

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.030%
      Mercury0.030%

      Average monthly California temperature with heat index

      California monthly precipitation with daily maximum

      California monthly snow depth with daily maximum

      California monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Mather, PA4953628.0%
      Ronco, PA1173628.0%
      Brownsville, PA2,3133628.0%
      Dawson, PA4673628.0%
      Hiller, PA1,2033628.0%
      California, PA6,3065612.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Walkersville, MD6,3064020.0%
      Deschutes River Woods, OR6,3052060.0%
      Huntington Woods, MI6,3035612.0%
      Clarenville, NL6,303n/a 
      Rancho Calaveras, CA6,3104510.0%
      California, PA6,3065612.0%
      Source: The California, PA 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.