TODAY MAY15
TEMPERATURE62
HUMIDITY62
PRESSURE29.88
WIND COND.200 22.3
  • 7846Sun
  • 7746Mon
  • 8347Tue
  • 7744Wed
  • 7544Thu
daynightWeather update from Napa, Napa County Airport at

Key findings

  • The highest monthly average temperature in Oakville for July is 64.6 degrees
  • The lowest monthly average temperature in Oakville for December is 46.6 degrees
  • The most monthly precipitation in Oakville occurs in January with 3.8 inches
  • The air quality index in Oakville is 30% better than the national average
  • The pollution index in Oakville is 56% worse than the national average

Compare Oakville, CA Weather

      vs
      How would you rate the weather in Oakville?
      Write a review to give others more information about this area.
      How would you rate the air quality in Oakville?
      Write a review to give others more information about this area.
      See all Oakville poll results

      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"

      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 index355550
      Pollution index7,898,29018,106,7265,066,862

      Oakville air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality330
      Days with moderate air quality31
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      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.
      Calistoga, CA5,2813432%
      Petaluma, CA59,7573432%
      Deer Park, CA1,0923432%
      Glen Ellen, CA7263432%
      Angwin, CA3,5053432%
      Oakville, CA1513530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Penfield, IL1514216%
      Carthage, SD1514216%
      Lovelaceville, KY1514412%
      Pawnee, TX1513138%
      Welton, IA1514216%
      Oakville, CA1513530%
      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.