TODAY MAY29
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 7758Fri30%
  • 7455Sat50%
  • 7455Sun
  • 7555Mon
  • 8058Tue
daynightWeather update from DW3835 Orinda at
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Lafayette 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
January39°F58°F48°F3.3"
February43°F62°F52°F3.0"
March45°F67°F54°F1.8"
April47°F71°F57°F1.9"
May52°F78°F63°F0.6"
June56°F85°F68°F0.0"
July58°F90°F71°F0.0"
August57°F90°F70°F0.0"
September56°F86°F68°F0.0"
October50°F77°F62°F1.4"
November45°F68°F55°F1.2"
December40°F57°F47°F2.3"

Did you know?

  • The highest monthly average temperature in Lafayette for July is 71 degrees.
  • The lowest monthly average temperature in Lafayette for December is 47 degrees.
  • The most monthly precipitation in Lafayette occurs in January with 3.3 inches.
  • The air quality index in Lafayette is 14% better than the national average.
  • The pollution index in Lafayette is 279% worse than the national average.

Compare Lafayette, CA Weather To Other Cities

      vs

      Lafayette 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.
      IndexLafayetteCaliforniaNational
      Air quality index435550
      Pollution index19,202,40018,106,7265,066,862

      Lafayette air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality241
      Days with moderate air quality115
      Days w/ poor A.Q. for sensitive groups9
      Days with unhealthy air quality

      Lafayette air quality information

      PollutantTotal
      Arsenic0.180%
      Benzene0.140%
      Carbon Tetrachloride0.010%
      Lead0.280%
      Mercury0.060%

      Average monthly Lafayette temperature with heat index

      Lafayette monthly precipitation with daily maximum

      Lafayette monthly snow depth with daily maximum

      Lafayette monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Alhambra Valley, CA5014314%
      Berkeley, CA118,5854314%
      Castle Hill, CA1,2024314%
      Clyde, CA7934314%
      Danville, CA43,7584314%
      Lafayette, CA25,3814314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      South Portland, ME25,3973824%
      Cabot, AR25,407476%
      West Memphis, AR25,4114412%
      Clinton, MS25,4114216%
      New Lenox, IL25,3476020%
      Lafayette, CA25,3814314%
      Source: The Lafayette, 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.