Diablo Grande, CA Weather - Forecast & Monthly Averages

TEMPERATURE	46
HUMIDITY	52
PRESSURE
WIND COND.	339 9.6

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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

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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.
Month	Temp. _(min)	Temp. _(max)	Temp. _(avg)	Precipitation
January	38°F	58°F	47°F	2.4"
February	42°F	64°F	52°F	1.9"
March	46°F	70°F	57°F	1.7"
April	49°F	76°F	61°F	1.3"
May	54°F	85°F	69°F	0.4"
June	60°F	93°F	76°F	0.2"
July	64°F	98°F	80°F	0.0"
August	63°F	96°F	78°F	0.0"
September	59°F	91°F	74°F	0.1"
October	52°F	80°F	64°F	0.7"
November	44°F	68°F	54°F	1.1"
December	38°F	58°F	47°F	2.3"

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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.
Index	Diablo Grande	California	National
Air quality index	49	55	42
Pollution index	7,774,440	10,473,190	2,726,193

Diablo Grande air quality

Measurement	Total
Days measured	365
Days with good air quality	201
Days with moderate air quality	141
Days w/ poor A.Q. for sensitive groups	22
Days with unhealthy air quality	1

Air quality details

Pollutant	Total
Arsenic	0.030%
Benzene	0.090%
Carbon Tetrachloride	0.000%
Lead	0.050%
Mercury	0.040%

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	Population	Air Quality Index	National Avg.
Riverdale Park, CA	1,393	49	2.0%
Westley, CA	689	49	2.0%
Newman, CA	11,498	49	2.0%
Grayson, CA	1,582	49	2.0%
Crows Landing, CA	346	49	2.0%
Diablo Grande, CA	892	49	2.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Aurelia, IA	892	35	30.0%
Lilydale, MN	892	46	8.0%
Richfield, NC	892	40	20.0%
Mesquite, NM	892	51	2.0%
Montandon, PA	892	35	30.0%
Diablo Grande, CA	892	49	2.0%

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.