TODAY APR19
TEMPERATURE68
HUMIDITY55
PRESSURE101390
WIND COND.
  • 7756Sat
  • 8657Sun
  • 8253Mon
  • 7349Tue
  • 7050Wed
daynightWeather update from Riverside Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hawarden Hills for August is 77.8 degrees
  • The lowest monthly average temperature in Hawarden Hills for December is 55.1 degrees
  • The most monthly precipitation in Hawarden Hills occurs in December with 1.9 inches
  • The air quality index in Hawarden Hills is 111% worse than the national average
  • The pollution index in Hawarden Hills is 736% worse than the national average

Compare Riverside, CA Weather

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      Hawarden Hills 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
      January44°F70°F56°F1.6"
      February45°F72°F57°F1.2"
      March47°F75°F60°F0.7"
      April50°F78°F63°F0.5"
      May55°F82°F66°F0.2"
      June59°F89°F72°F0.0"
      July65°F94°F77°F0.2"
      August65°F95°F78°F0.1"
      September63°F94°F76°F0.2"
      October56°F85°F69°F0.2"
      November49°F77°F62°F0.5"
      December44°F69°F55°F1.9"

      Hawarden Hills 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.
      IndexHawarden HillsRiversideCalifornia
      Air quality index898955
      Pollution index22,790,90022,790,90010,473,190

      Hawarden Hills 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

      Hawarden Hills air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.190%
      Carbon Tetrachloride0.010%
      Lead0.220%
      Mercury0.230%

      Average monthly Hawarden Hills temperature with heat index

      Hawarden Hills monthly precipitation with daily maximum

      Hawarden Hills monthly snow depth with daily maximum

      Hawarden Hills monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      San Bernardino, CA216,7848978.0%
      Highgrove, CA6,2018978.0%
      Moreno Valley, CA208,7518978.0%
      Eastvale, CA65,7668978.0%
      Meadowbrook, CA4,2088978.0%
      Riverside, CA327,5698978.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Corpus Christi, TX326,3324216.0%
      Santa Ana, CA332,6108978.0%
      Lexington-Fayette, KY322,2004216.0%
      Vaughan, ON321,974n/a 
      Stockton, CA311,1034510.0%
      Riverside, CA327,5698978.0%
      Source: The Hawarden Hills, Riverside, 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.