TODAY AUG13
TEMPERATURE95
HUMIDITY19
PRESSURE29.82
WIND COND.180 18.4
  • 9867Thu
  • 10471Fri
  • 10367Sat
  • 10268Sun
  • 10269Mon
daynightWeather update from University Airport at

Key findings

  • The highest monthly average temperature in Royal Oaks for July is 76 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 5% worse than the national average
  • The pollution index in Royal Oaks is 205% 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 index15,476,5003,319,12018,106,726

      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

      City, StatePopulationAir Quality IndexNational Avg.
      Allendale, CA1,3493530%
      Elmira, CA2083530%
      Vacaville, CA95,6073530%
      Hartley, CA2,9883530%
      Winters, CA6,9743530%
      Davis, CA66,886524%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Kissimmee, FL66,8403922%
      Kenner, LA66,9544510%
      Maple Grove, MN66,969468%
      St. Cloud, MN66,7703236%
      Oshkosh, WI66,7133628%
      Davis, CA66,886524%
      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.