TODAY JUN20
TEMPERATURE68
HUMIDITY70
PRESSURE29.98
WIND COND.
  • 8955Thu
  • 9858Fri
  • 10159Sat
  • 9455Sun
  • 8453Mon
daynightWeather update from DW4201 San Ramon at

Blackhawk Average Weather

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
January20°F73°F46°F2.7"
February27°F75°F50°F2.8"
March32°F82°F52°F2.0"
April34°F94°F55°F1.0"
May37°F102°F62°F0.4"
June44°F109°F66°F0.0"
July49°F111°F71°F0.0"
August50°F106°F70°Fn/a
September42°F103°F67°F0.1"
October38°F94°F61°F1.0"
November27°F81°F54°F1.0"
December24°F70°F47°F2.0"

Did you know?

  • The highest monthly average temperature in Blackhawk for July is 71 degrees.
  • The lowest monthly average temperature in Blackhawk for January is 46 degrees.
  • The most monthly precipitation in Blackhawk occurs in February with 2.8 inches.
  • The air quality index in Blackhawk is 13% better than the national average.
  • The pollution index in Blackhawk is 170% worse than the national average.

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Compare Blackhawk, CA Weather To Other Cities

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 index435550
Pollution index13,698,50018,106,7265,066,862

Blackhawk 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

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.
Alamo, CA16,0784314%
Castro Valley, CA62,8254314%
Concord, CA126,9384314%
Lafayette, CA25,3814314%
Norris Canyon, CA1,0464314%
Blackhawk, CA9,4684314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
DeForest, WI9,4684216%
Good Hope, CA9,4718570%
New Port Richey East, FL9,4634314%
Milton, FL9,4624020%
Anthony, NM9,459512%
Blackhawk, CA9,4684314%
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.