TODAY MAR19
TEMPERATURE50
HUMIDITY100
PRESSURE101690
WIND COND.
  • 7546Tue
  • 7346Wed
  • 7147Thu
  • 6850Fri
  • 6246Sat
daynightWeather update from University Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Royal Oaks for July is 75.7 degrees
  • The lowest monthly average temperature in Royal Oaks for January is 46 degrees
  • The most monthly precipitation in Royal Oaks occurs in December with 3.4 inches
  • The air quality index in Royal Oaks is 24% worse than the national average
  • The pollution index in Royal Oaks is 468% worse than the national average

Compare Davis, CA Weather

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      Royal Oaks 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
      January37°F57°F46°F3.3"
      February40°F63°F51°F2.9"
      March43°F68°F55°F2.6"
      April46°F74°F59°F1.6"
      May51°F83°F66°F0.5"
      June57°F91°F72°F0.3"
      July59°F96°F76°F0.0"
      August58°F94°F74°F0.0"
      September55°F91°F71°F0.1"
      October49°F80°F63°F0.9"
      November42°F66°F53°F1.8"
      December37°F57°F46°F3.4"

      Royal Oaks 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.
      IndexRoyal OaksDavisCalifornia
      Air quality index525255
      Pollution index15,476,5003,319,12010,473,190

      Royal Oaks air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality171
      Days with moderate air quality173
      Days w/ poor A.Q. for sensitive groups21
      Days with unhealthy air quality0

      Royal Oaks air quality information

      PollutantTotal
      Arsenic0.100%
      Benzene0.040%
      Carbon Tetrachloride0.000%
      Lead0.070%
      Mercury0.120%

      Average monthly Royal Oaks temperature with heat index

      Royal Oaks monthly precipitation with daily maximum

      Royal Oaks monthly snow depth with daily maximum

      Royal Oaks monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Elmira, CA2343530.0%
      Vacaville, CA99,9583530.0%
      Allendale, CA1,4293530.0%
      Winters, CA7,2853530.0%
      Hartley, CA2,6553530.0%
      Davis, CA68,640524.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Dothan, AL68,6083530.0%
      Camarillo, CA68,583468.0%
      Daytona Beach, FL68,7113726.0%
      Eau Claire, WI68,7203432.0%
      North Port, FL68,7793628.0%
      Davis, CA68,640524.0%
      Source: The Royal Oaks, Davis, 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.