Sonoma, CA Weather - Forecast & Monthly Averages

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TEMPERATURE	64
HUMIDITY	70
PRESSURE	101690
WIND COND.	210 16.6

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Weather Quick Facts

The highest monthly average temperature in Sonoma for July is 64.6 degrees
The lowest monthly average temperature in Sonoma for December is 46.6 degrees
The most monthly precipitation in Sonoma occurs in January with 3.8 inches
The air quality index in Sonoma is 17% better than the national average
The pollution index in Sonoma is 190% worse than the national average

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Sonoma 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	36°F	58°F	47°F	3.8"
February	39°F	62°F	50°F	3.4"
March	41°F	66°F	52°F	3.0"
April	42°F	69°F	55°F	1.6"
May	46°F	74°F	59°F	0.5"
June	50°F	80°F	64°F	0.3"
July	53°F	81°F	65°F	0.0"
August	53°F	80°F	64°F	0.0"
September	49°F	82°F	64°F	0.1"
October	45°F	76°F	59°F	1.3"
November	40°F	66°F	52°F	1.8"
December	36°F	58°F	47°F	3.8"

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Sonoma 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	Sonoma	California	National
Air quality index	35	55	42
Pollution index	7,898,290	10,473,190	2,726,193

Sonoma air quality

Measurement	Total
Days measured	363
Days with good air quality	330
Days with moderate air quality	31
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality	0

Air quality details

Pollutant	Total
Arsenic	0.260%
Benzene	0.080%
Carbon Tetrachloride	0.005%
Lead	0.240%
Mercury	0.270%

Average monthly Sonoma temperature with heat index

Sonoma monthly precipitation with daily maximum

Sonoma monthly snow depth with daily maximum

Sonoma monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Roseland, CA	5,859	34	32.0%
Penngrove, CA	2,368	34	32.0%
Cotati, CA	7,487	34	32.0%
Glen Ellen, CA	1,214	34	32.0%
Petaluma, CA	60,865	34	32.0%
Sonoma, CA	11,082	35	30.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Lake Grove, NY	11,083	43	14.0%
Two Rivers, WI	11,079	36	28.0%
Big Lake, MN	11,085	32	36.0%
New Albany, OH	11,085	46	8.0%
Westwood Lakes, FL	11,086	41	18.0%
Sonoma, CA	11,082	35	30.0%

Source: The Sonoma, 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.