TODAY JUN06
TEMPERATURE55
HUMIDITY77
PRESSURE29.83
WIND COND.240 15
  • 7647Sat
  • 7449Sun
  • 8252Mon
  • 8956Tue
  • 9256Wed
daynightWeather update from Napa, Napa County Airport at
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Oakville 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
January36°F58°F47°F3.8"
February39°F62°F50°F3.4"
March41°F66°F52°F3.0"
April42°F69°F55°F1.6"
May46°F74°F59°F0.5"
June50°F80°F64°F0.3"
July53°F81°F65°F0.0"
August53°F80°F64°F0.0"
September49°F82°F64°F0.1"
October45°F76°F59°F1.3"
November40°F66°F52°F1.8"
December36°F58°F47°F3.8"

Did you know?

  • The highest monthly average temperature in Oakville for July is 65 degrees.
  • The lowest monthly average temperature in Oakville for December is 47 degrees.
  • The most monthly precipitation in Oakville occurs in January with 3.8 inches.
  • The air quality index in Oakville is 14% better than the national average.
  • The pollution index in Oakville is 56% worse than the national average.

Compare Oakville, CA Weather To Other Cities

      vs

      Oakville 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.
      IndexOakvilleCaliforniaNational
      Air quality index435550
      Pollution index7,898,29018,106,7265,066,862

      Oakville air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality220
      Days with moderate air quality143
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality

      Oakville air quality information

      PollutantTotal
      Arsenic0.260%
      Benzene0.080%
      Carbon Tetrachloride0.005%
      Lead0.240%
      Mercury0.270%

      Average monthly Oakville temperature with heat index

      Oakville monthly precipitation with daily maximum

      Oakville monthly snow depth with daily maximum

      Oakville monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Angwin, CA3,5053530%
      St. Helena, CA5,9953530%
      Penngrove, CA2,9403530%
      Calistoga, CA5,2813530%
      Kenwood, CA1,2273530%
      Oakville, CA1514314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Rudyard, MT1512648%
      Glenbrook, NV1514412%
      West Sunbury, PA1513138%
      Greenbackville, VA1513628%
      Kilbourne, OH1514314%
      Oakville, CA1514314%
      Source: The Oakville, 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.