Danville, CA Weather - Forecast & Monthly Averages

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Weather Quick Facts

The highest monthly average temperature in Danville for July is 70.9 degrees
The lowest monthly average temperature in Danville for January is 47.4 degrees
The most monthly precipitation in Danville occurs in December with 2.8 inches
The air quality index in Danville is 5% better than the national average
The pollution index in Danville is 402% worse than the national average

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Danville 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	59°F	47°F	2.6"
February	41°F	63°F	51°F	2.6"
March	43°F	67°F	54°F	2.1"
April	45°F	72°F	57°F	1.4"
May	50°F	78°F	62°F	0.3"
June	54°F	85°F	67°F	0.2"
July	58°F	90°F	71°F	0.0"
August	57°F	89°F	70°F	0.0"
September	56°F	88°F	69°F	0.1"
October	50°F	79°F	63°F	0.9"
November	43°F	67°F	54°F	1.5"
December	38°F	60°F	48°F	2.8"

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Danville 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	Danville	California	National
Air quality index	40	55	42
Pollution index	13,698,500	10,473,190	2,726,193

Danville air quality

Measurement	Total
Days measured	365
Days with good air quality	290
Days with moderate air quality	74
Days w/ poor A.Q. for sensitive groups	1
Days with unhealthy air quality	0

Air quality details

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

Average monthly Danville temperature with heat index

Danville monthly precipitation with daily maximum

Danville monthly snow depth with daily maximum

Danville monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Alamo, CA	13,864	40	20.0%
Contra Costa Centre, CA	6,667	40	20.0%
Orinda, CA	19,461	40	20.0%
San Miguel, CA	3,253	40	20.0%
Vine Hill, CA	3,228	40	20.0%
Danville, CA	44,933	40	20.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Oakland Park, FL	44,950	41	18.0%
Farmington, NM	44,967	49	2.0%
Winter Garden, FL	44,888	39	22.0%
Plainfield, IL	44,857	55	10.0%
Attleboro, MA	45,023	44	12.0%
Danville, CA	44,933	40	20.0%

Source: The Danville, 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.