TODAY DEC22
TEMPERATURE51
HUMIDITY100
PRESSURE102030
WIND COND.20 7.6
  • 6453Mon40%90%
  • 6042Tue90%
  • 5646
  • 5948Thu
  • 5853Fri
daynightWeather update from Concord, Buchanan Field at
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Weather Quick Facts

  • The highest monthly average temperature in Pleasant Hill for July is 70.8 degrees
  • The lowest monthly average temperature in Pleasant Hill for December is 47.3 degrees
  • The most monthly precipitation in Pleasant Hill occurs in January with 3.3 inches
  • The air quality index in Pleasant Hill is 5% better than the national average
  • The pollution index in Pleasant Hill is 402% worse than the national average

Compare Pleasant Hill, CA Weather

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      Pleasant Hill 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"

      Pleasant Hill 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.
      IndexPleasant HillCaliforniaNational
      Air quality index405542
      Pollution index13,698,50010,473,1902,726,193

      Pleasant Hill air quality

      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

      Air quality details

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

      Average monthly Pleasant Hill temperature with heat index

      Pleasant Hill monthly precipitation with daily maximum

      Pleasant Hill monthly snow depth with daily maximum

      Pleasant Hill monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Alamo, CA13,8644020.0%
      Contra Costa Centre, CA6,6674020.0%
      Orinda, CA19,4614020.0%
      San Miguel CDP (San Luis Obispo County), CA2,6964020.0%
      Blackhawk, CA10,5904020.0%
      Pleasant Hill, CA34,9034020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Brunswick, OH34,90250= 100
      Martinez, GA34,912476.0%
      Merrillville, IN34,8713726.0%
      Redan, GA34,870524.0%
      Sorel-Tracy, QC34,850n/a 
      Pleasant Hill, CA34,9034020.0%
      Source: The Pleasant Hill, 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.