TODAY OCT20
TEMPERATURE66
HUMIDITY34
PRESSURE
WIND COND.220 4
  • 8058Sat
  • 7855Sun
  • 7453Mon
  • 7254Tue
  • 7256Wed
daynightWeather update from DIABLO GRANDE at
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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"

Did you know?

  • The highest monthly average temperature in Diablo Grande for July is 80 degrees.
  • The lowest monthly average temperature in Diablo Grande for January is 47 degrees.
  • The most monthly precipitation in Diablo Grande occurs in January with 2.4 inches.
  • The air quality index in Diablo Grande is 10% worse than the national average.
  • The pollution index in Diablo Grande is 53% worse than the national average.

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Compare Diablo Grande, CA Weather To Other Cities

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 index555550
Pollution index7,774,44018,106,7265,066,862

Diablo Grande air quality information

MeasurementTotal
Days measured365
Days with good air quality164
Days with moderate air quality145
Days w/ poor A.Q. for sensitive groups45
Days with unhealthy air quality11

Diablo Grande air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Newman, CA10,8085510%
Crows Landing, CA2555510%
Patterson, CA21,2055510%
Grayson, CA9905510%
Riverdale Park, CA1,0565510%
Diablo Grande, CA1,0795510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
New Castle, KY1,0795510%
Forest Park, OK1,079476%
Horatio, AR1,0793824%
Afton, NY1,0793236%
Lawtey, FL1,0793334%
Diablo Grande, CA1,0795510%
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.