TODAY MAY28
TEMPERATURE78
HUMIDITY54
PRESSURE29.81
WIND COND.180 13.9
  • 9160Thu
  • 8059Fri20%
  • 7456Sat50%
  • 7656Sun
  • 7756Mon
daynightWeather update from Napa, Napa County Airport at
How would you rate the weather in Green Valley?
Write a review to give others more information about this area.
How would you rate the air quality in Green Valley?
Write a review to give others more information about this area.
See all Green Valley poll results

Green Valley 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 Green Valley for July is 65 degrees.
  • The lowest monthly average temperature in Green Valley for December is 47 degrees.
  • The most monthly precipitation in Green Valley occurs in January with 3.8 inches.
  • The air quality index in Green Valley is 14% better than the national average.
  • The pollution index in Green Valley is 41% worse than the national average.

Compare Green Valley, CA Weather To Other Cities

      vs

      Green Valley 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.
      IndexGreen ValleyCaliforniaNational
      Air quality index435550
      Pollution index7,123,51018,106,7265,066,862

      Green Valley 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

      Green Valley air quality information

      PollutantTotal
      Arsenic0.110%
      Benzene0.070%
      Carbon Tetrachloride0.000%
      Lead0.090%
      Mercury0.050%

      Average monthly Green Valley temperature with heat index

      Green Valley monthly precipitation with daily maximum

      Green Valley monthly snow depth with daily maximum

      Green Valley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Allendale, CA1,3494314%
      Elmira, CA2084314%
      Lemon Hill, CA13,5754314%
      Rutherford, CA1354314%
      Vallejo, CA119,6444314%
      Green Valley, CA1,2244314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Anton, TX1,2242648%
      Stanleytown, VA1,2243628%
      Palestine, IL1,2243334%
      Falling Waters, WV1,2244118%
      Pelzer, SC1,2253138%
      Green Valley, CA1,2244314%
      Source: The Green Valley, 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.