Arroyo Grande, CA Weather - Forecast & Monthly Averages

TEMPERATURE	57
HUMIDITY	89
PRESSURE	102130
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Arroyo Grande for August is 63.1 degrees
The lowest monthly average temperature in Arroyo Grande for January is 50.2 degrees
The most monthly precipitation in Arroyo Grande occurs in January with 8.5 inches
The air quality index in Arroyo Grande is 9% worse than the national average
The pollution index in Arroyo Grande is 106% worse than the national average

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Arroyo 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	40°F	65°F	50°F	8.5"
February	44°F	65°F	53°F	3.7"
March	46°F	69°F	55°F	4.4"
April	44°F	70°F	55°F	2.3"
May	49°F	73°F	59°F	3.9"
June	50°F	75°F	60°F	0.4"
July	54°F	78°F	63°F	0.0"
August	54°F	79°F	63°F	0.4"
September	52°F	77°F	62°F	0.1"
October	50°F	77°F	60°F	1.9"
November	46°F	75°F	57°F	1.6"
December	41°F	66°F	52°F	6.4"

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Arroyo 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	Arroyo Grande	California	National
Air quality index	46	55	42
Pollution index	5,611,110	10,473,190	2,726,193

Arroyo Grande air quality

Measurement	Total
Days measured	365
Days with good air quality	230
Days with moderate air quality	132
Days w/ poor A.Q. for sensitive groups	3
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.020%
Benzene	0.060%
Carbon Tetrachloride	0.000%
Lead	0.060%
Mercury	0.010%

Average monthly Arroyo Grande temperature with heat index

Arroyo Grande monthly precipitation with daily maximum

Arroyo Grande monthly snow depth with daily maximum

Arroyo Grande monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Avila Beach, CA	1,455	46	8.0%
Los Osos, CA	16,174	46	8.0%
Los Ranchos, CA	1,675	46	8.0%
San Luis Obispo, CA	47,402	46	8.0%
Blacklake, CA	797	46	8.0%
Arroyo Grande, CA	17,924	46	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Beltsville, MD	17,922	47	6.0%
Cary, IL	17,926	55	10.0%
Sainte-Sophie, QC	17,917	n/a
Sheridan, WY	17,938	39	22.0%
Lenoir, NC	17,909	43	14.0%
Arroyo Grande, CA	17,924	46	8.0%

Source: The Arroyo 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.