TODAY NOV06
TEMPERATURE53
HUMIDITY70
PRESSURE101017.16
WIND COND.14 7.9
  • 7448Wed
  • 7047Thu
  • 7048Fri
  • 6847Sat
  • 6848Sun
daynightWeather update from El Rio - Rio Mesa at
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Weather Quick Facts

  • The highest monthly average temperature in El Rio for August is 67.3 degrees
  • The lowest monthly average temperature in El Rio for January is 53.7 degrees
  • The most monthly precipitation in El Rio occurs in January with 13.7 inches
  • The air quality index in El Rio is 9% worse than the national average
  • The pollution index in El Rio is 396% worse than the national average

Compare El Rio, CA Weather

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      El Rio 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°F66°F54°F13.7"
      February47°F67°F56°F10.8"
      March48°F69°F57°F3.2"
      April48°F69°F58°F7.3"
      May53°F71°F62°F2.1"
      June57°F72°F65°F0.0"
      July60°F76°F67°F0.0"
      August59°F78°F67°F0.0"
      September55°F77°F65°F1.2"
      October53°F76°F63°F2.3"
      November49°F73°F59°F1.5"
      December43°F67°F54°F2.6"

      El Rio 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.
      IndexEl RioCaliforniaNational
      Air quality index465542
      Pollution index13,529,80010,473,1902,726,193

      El Rio air quality

      MeasurementTotal
      Days measured365
      Days with good air quality214
      Days with moderate air quality142
      Days w/ poor A.Q. for sensitive groups9
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.150%
      Benzene0.190%
      Carbon Tetrachloride0.010%
      Lead0.180%
      Mercury0.070%

      Average monthly El Rio temperature with heat index

      El Rio monthly precipitation with daily maximum

      El Rio monthly snow depth with daily maximum

      El Rio monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Camarillo, CA68,583468.0%
      Port Hueneme, CA21,979468.0%
      Mira Monte, CA6,833468.0%
      Santa Rosa Valley, CA2,721468.0%
      Casa Conejo, CA3,184468.0%
      El Rio, CA6,506468.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Garrett, IN6,5074510.0%
      Estes Park, CO6,504484.0%
      Winsted, CT6,5043726.0%
      Oakmont, PA6,5045612.0%
      Purcell, OK6,508484.0%
      El Rio, CA6,506468.0%
      Source: The El Rio, 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.