Antioch, CA Weather - Forecast & Monthly Averages

TEMPERATURE	66
HUMIDITY	45
PRESSURE
WIND COND.

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Weather Quick Facts

The highest monthly average temperature in Antioch for July is 70.8 degrees
The lowest monthly average temperature in Antioch for January is 48.3 degrees
The most monthly precipitation in Antioch occurs in December with 3.1 inches
The air quality index in Antioch is 7% worse than the national average
The pollution index in Antioch is 402% worse than the national average

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Antioch 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	39°F	60°F	48°F	2.5"
February	42°F	65°F	53°F	2.6"
March	46°F	69°F	56°F	2.7"
April	48°F	74°F	60°F	1.5"
May	52°F	79°F	63°F	0.1"
June	56°F	87°F	69°F	0.4"
July	58°F	90°F	71°F	0.0"
August	58°F	88°F	70°F	0.0"
September	57°F	88°F	70°F	0.1"
October	52°F	80°F	64°F	0.7"
November	44°F	67°F	54°F	1.6"
December	39°F	60°F	49°F	3.1"

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Antioch 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	Antioch	California	National
Air quality index	45	55	42
Pollution index	13,698,500	10,473,190	2,726,193

Antioch air quality information

Measurement	Total
Days measured	365
Days with good air quality	229
Days with moderate air quality	123
Days w/ poor A.Q. for sensitive groups	12
Days with unhealthy air quality	1

Antioch air quality information

Pollutant	Total
Arsenic	0.040%
Benzene	0.110%
Carbon Tetrachloride	0.330%
Lead	0.070%
Mercury	0.120%

Average monthly Antioch temperature with heat index

Antioch monthly precipitation with daily maximum

Antioch monthly snow depth with daily maximum

Antioch monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Castle Hill, CA	1,164	40	20.0%
Pacheco, CA	4,775	40	20.0%
Blackhawk, CA	10,590	40	20.0%
San Ramon, CA	81,344	40	20.0%
Pittsburg, CA	71,723	40	20.0%
Antioch, CA	111,468	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Thunder Bay, ON	111,499	n/a
Centennial, CO	111,331	58	16.0%
Lowell, MA	111,311	37	26.0%
Downey, CA	111,263	72	44.0%
Pompano Beach, FL	111,202	41	18.0%
Antioch, CA	111,468	45	10.0%

Source: The Antioch, 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.