TODAY OCT06
TEMPERATURE86
HUMIDITY47
PRESSURE
WIND COND.220 9.6
  • 9363Mon
  • 8860Tue
  • 8460Wed
  • 8461Thu
  • 8258Fri
daynightWeather update from WHITTIER HILLS at
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Weather Quick Facts

  • The highest monthly average temperature in Rowland Heights for August is 75 degrees
  • The lowest monthly average temperature in Rowland Heights for December is 56.3 degrees
  • The most monthly precipitation in Rowland Heights occurs in December with 2.5 inches
  • The air quality index in Rowland Heights is 111% worse than the national average
  • The pollution index in Rowland Heights is 69% better than the national average

Compare Rowland Heights, CA Weather

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      Rowland Heights 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
      January46°F72°F57°F2.3"
      February48°F72°F58°F1.7"
      March51°F75°F61°F1.0"
      April54°F76°F64°F0.5"
      May58°F78°F66°F0.3"
      June62°F81°F70°F0.0"
      July66°F86°F74°F0.1"
      August66°F88°F75°F0.0"
      September65°F88°F74°F0.2"
      October59°F83°F69°F0.4"
      November52°F77°F63°F0.6"
      December45°F70°F56°F2.5"

      Rowland Heights 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.
      IndexRowland HeightsCaliforniaNational
      Air quality index895542
      Pollution index858,65210,473,1902,726,193

      Rowland Heights air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.020%
      Mercury0.001%

      Average monthly Rowland Heights temperature with heat index

      Rowland Heights monthly precipitation with daily maximum

      Rowland Heights monthly snow depth with daily maximum

      Rowland Heights monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Azusa, CA49,5847244.0%
      Citrus, CA10,1057244.0%
      Irwindale, CA1,3657244.0%
      Vincent, CA16,4057244.0%
      Commerce, CA12,7387244.0%
      Rowland Heights, CA49,9148978.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Levittown, PA49,9214118.0%
      Coral Gables, FL49,9374118.0%
      Newark, OH49,9514118.0%
      Lakewood, OH50,00250= 100
      Twin Falls, ID49,8192060.0%
      Rowland Heights, CA49,9148978.0%
      Source: The Rowland Heights, 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.