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Key findings

  • The highest monthly average temperature in Blackhawk for July is 70.9 degrees
  • The lowest monthly average temperature in Blackhawk for January is 47.4 degrees
  • The most monthly precipitation in Blackhawk occurs in December with 2.8 inches
  • The air quality index in Blackhawk is 20% better than the national average
  • The pollution index in Blackhawk is 170% worse than the national average

Compare Blackhawk, CA Weather

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      Blackhawk 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"

      Blackhawk 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.
      IndexBlackhawkCaliforniaNational
      Air quality index405550
      Pollution index13,698,50018,106,7265,066,862

      Blackhawk 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

      Blackhawk air quality information

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

      Average monthly Blackhawk temperature with heat index

      Blackhawk monthly precipitation with daily maximum

      Blackhawk monthly snow depth with daily maximum

      Blackhawk monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Castle Hill, CA1,2024020%
      Martinez, CA37,5444020%
      Pleasant Hill, CA34,3954020%
      Saranap, CA6,2114020%
      Camino Tassajara, CA3,4564020%
      Blackhawk, CA9,4684020%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      DeForest, WI9,4683922%
      Good Hope, CA9,4718978%
      New Port Richey East, FL9,4634314%
      Milton, FL9,4624118%
      Anthony, NM9,459536%
      Blackhawk, CA9,4684020%
      Source: The Blackhawk, 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.