TODAY DEC22
TEMPERATURE52
HUMIDITY97
PRESSURE102070
WIND COND.50 11.2
  • 6453Mon90%
  • 6042Tue90%
  • 5646
  • 5849Thu
  • 5853Fri
daynightWeather update from Concord, Buchanan Field at
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Weather Quick Facts

  • The highest monthly average temperature in Reliez Valley for July is 70.8 degrees
  • The lowest monthly average temperature in Reliez Valley for December is 47.3 degrees
  • The most monthly precipitation in Reliez Valley occurs in January with 3.3 inches
  • The air quality index in Reliez Valley is 5% better than the national average
  • The pollution index in Reliez Valley is 604% worse than the national average

Compare Reliez Valley, CA Weather

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      Reliez Valley 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"

      Reliez Valley 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.
      IndexReliez ValleyCaliforniaNational
      Air quality index405542
      Pollution index19,202,40010,473,1902,726,193

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

      Average monthly Reliez Valley temperature with heat index

      Reliez Valley monthly precipitation with daily maximum

      Reliez Valley monthly snow depth with daily maximum

      Reliez Valley monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Danville, CA44,9334020.0%
      San Ramon, CA81,3444020.0%
      Emeryville, CA11,6794020.0%
      Benicia, CA28,1584020.0%
      Port Costa, CA2424020.0%
      Reliez Valley, CA3,3214020.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Auberry, CA3,3216020.0%
      Delmar, MD3,3213628.0%
      Robbinsville, NJ3,3214118.0%
      Reno, TX3,321325550.0%
      Bella Vista, CA3,3204216.0%
      Reliez Valley, CA3,3214020.0%
      Source: The Reliez Valley, 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.