TODAY NOV22
TEMPERATURE58
HUMIDITY64
PRESSURE
WIND COND.213 16.1
  • 5953Fri50%100%
  • 5547Sat80%40%
  • 5249Sun40%60%
  • 5350Mon
  • 5347Tue
daynightWeather update from DIABLO GRANDE at
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Weather Quick Facts

  • The highest monthly average temperature in Diablo Grande for July is 80.2 degrees
  • The lowest monthly average temperature in Diablo Grande for January is 46.9 degrees
  • The most monthly precipitation in Diablo Grande occurs in January with 2.4 inches
  • The air quality index in Diablo Grande is 16% worse than the national average
  • The pollution index in Diablo Grande is 185% worse than the national average

Compare Diablo Grande, CA Weather

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      Diablo Grande 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°F58°F47°F2.4"
      February42°F64°F52°F1.9"
      March46°F70°F57°F1.7"
      April49°F76°F61°F1.3"
      May54°F85°F69°F0.4"
      June60°F93°F76°F0.2"
      July64°F98°F80°F0.0"
      August63°F96°F78°F0.0"
      September59°F91°F74°F0.1"
      October52°F80°F64°F0.7"
      November44°F68°F54°F1.1"
      December38°F58°F47°F2.3"

      Diablo Grande 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.
      IndexDiablo GrandeCaliforniaNational
      Air quality index495542
      Pollution index7,774,44010,473,1902,726,193

      Diablo Grande air quality

      MeasurementTotal
      Days measured365
      Days with good air quality201
      Days with moderate air quality141
      Days w/ poor A.Q. for sensitive groups22
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.090%
      Carbon Tetrachloride0.000%
      Lead0.050%
      Mercury0.040%

      Average monthly Diablo Grande temperature with heat index

      Diablo Grande monthly precipitation with daily maximum

      Diablo Grande monthly snow depth with daily maximum

      Diablo Grande monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Monterey Park Tract, CA293492.0%
      Patterson, CA22,309492.0%
      Riverdale Park, CA1,393492.0%
      Westley, CA689492.0%
      Newman, CA11,498492.0%
      Diablo Grande, CA892492.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Aurelia, IA8923530.0%
      Lilydale, MN892468.0%
      Richfield, NC8924020.0%
      Mesquite, NM892512.0%
      Montandon, PA8923530.0%
      Diablo Grande, CA892492.0%
      Source: The Diablo Grande, 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.