Sonoma, CA Weather Forecast & Monthly Average Temperatures

TEMPERATURE	44
HUMIDITY	96
PRESSURE	30.11
WIND COND.

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"

Did you know?

The highest monthly average temperature in Sonoma for July is 65 degrees.
The lowest monthly average temperature in Sonoma for December is 47 degrees.
The most monthly precipitation in Sonoma occurs in January with 3.8 inches.
The air quality index in Sonoma is 13% better than the national average.
The pollution index in Sonoma is 55% worse than the national average.

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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	43	55	50
Pollution index	7,898,290	18,106,726	5,066,862

Sonoma air quality information

Measurement	Total
Days measured	365
Days with good air quality	220
Days with moderate air quality	143
Days w/ poor A.Q. for sensitive groups	2
Days with unhealthy air quality

Sonoma air quality information

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, State	Population	Air Quality Index	National Avg.
Penngrove, CA	2,940	35	30%
Petaluma, CA	59,757	35	30%
St. Helena, CA	5,995	35	30%
Cotati, CA	7,415	35	30%
Glen Ellen, CA	726	35	30%
Sonoma, CA	10,952	43	14%

Cities with similar population

City, State	Population	Air Quality Index	National Avg.
South Yarmouth, MA	10,953	33	34%
Lighthouse Point, FL	10,946	41	18%
White House, TN	10,944	45	10%
Dent, OH	10,963	54	8%
Fairfield, AL	10,937	50	= 100
Sonoma, CA	10,952	43	14%

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.