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Key findings

  • The highest monthly average temperature in Danville for July is 71 degrees
  • The lowest monthly average temperature in Danville for January is 47 degrees
  • The most monthly precipitation in Danville occurs in December with 2.8 inches
  • The air quality index in Danville is 20% better than the national average
  • The pollution index in Danville is 170% worse than the national average

Compare Danville, CA Weather

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      Danville 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
      January38°F59°F47°F2.6"
      February41°F63°F51°F2.6"
      March43°F67°F54°F2.1"
      April45°F72°F57°F1.4"
      May50°F78°F62°F0.3"
      June54°F85°F67°F0.2"
      July58°F90°F71°F0.0"
      August57°F89°F70°F0.0"
      September56°F88°F69°F0.1"
      October50°F79°F63°F0.9"
      November43°F67°F54°F1.5"
      December38°F60°F48°F2.8"

      Danville 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.
      IndexDanvilleCaliforniaNational
      Air quality index405550
      Pollution index13,698,50018,106,7265,066,862

      Danville air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality290
      Days with moderate air quality74
      Days w/ poor A.Q. for sensitive groups1
      Days with unhealthy air quality0

      Danville air quality information

      PollutantTotal
      Arsenic0.040%
      Benzene0.110%
      Carbon Tetrachloride0.330%
      Lead0.070%
      Mercury0.120%

      Average monthly Danville temperature with heat index

      Danville monthly precipitation with daily maximum

      Danville monthly snow depth with daily maximum

      Danville monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Alamo, CA16,0784020%
      Contra Costa Centre, CA6,1904020%
      Orinda, CA18,9364020%
      San Miguel, CA3,2144020%
      Vine Hill, CA4,2644020%
      Danville, CA43,7584020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      North Miami Beach, FL43,7224118%
      El Centro, CA43,6995816%
      Coachella, CA43,8265816%
      Lompoc, CA43,678468%
      York, PA43,8484118%
      Danville, CA43,7584020%
      Source: The Danville, 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.