TODAY MAY28
TEMPERATURE87
HUMIDITY31
PRESSURE29.85
WIND COND.230 11.4
  • 8259Fri20%
  • 7756Sat50%
  • 8056Sun
  • 8056Mon
  • 8558Tue
daynightWeather update from Fairfield / Travis Air Force Base at
How would you rate the weather in Fairfield?
Write a review to give others more information about this area.
How would you rate the air quality in Fairfield?
Write a review to give others more information about this area.
See all Fairfield poll results

Fairfield 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
January41°F57°F48°F9.3"
February44°F62°F52°F3.6"
March47°F66°F55°F3.0"
April49°F70°F58°F1.8"
May52°F75°F62°F0.0"
June56°F81°F66°F0.0"
July57°F83°F67°F0.2"
August57°F83°F67°F0.0"
September57°F84°F68°F0.1"
October53°F76°F63°F0.6"
November46°F65°F54°F0.8"
December40°F57°F47°F3.3"

Did you know?

  • The highest monthly average temperature in Fairfield for September is 68 degrees.
  • The lowest monthly average temperature in Fairfield for December is 47 degrees.
  • The most monthly precipitation in Fairfield occurs in January with 9.3 inches.
  • The air quality index in Fairfield is 14% better than the national average.
  • The pollution index in Fairfield is 52% better than the national average.

Compare Fairfield, CA Weather To Other Cities

      vs

      Fairfield 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.
      IndexFairfieldCaliforniaNational
      Air quality index435550
      Pollution index2,457,15018,106,7265,066,862

      Fairfield 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

      Fairfield air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.080%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.020%

      Average monthly Fairfield temperature with heat index

      Fairfield monthly precipitation with daily maximum

      Fairfield monthly snow depth with daily maximum

      Fairfield monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Benicia, CA27,7804314%
      Green Valley CDP (Los Angeles County), CA1,0004314%
      Moskowite Corner, CA1984314%
      Suisun City, CA29,0454314%
      Crockett, CA3,1034314%
      Fairfield, CA110,9534314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      West Jordan, UT110,928476%
      Inglewood, CA111,0127448%
      Rochester, MN111,3963726%
      Manchester, NH110,2313628%
      Clearwater, FL111,7474314%
      Fairfield, CA110,9534314%
      Source: The Fairfield, 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.