Santa Rosa Valley, CA Weather - Forecast & Monthly Averages

TEMPERATURE	53
HUMIDITY	77
PRESSURE
WIND COND.	160 4.7

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Weather Quick Facts

The highest monthly average temperature in Santa Rosa Valley for September is 68.1 degrees
The lowest monthly average temperature in Santa Rosa Valley for December is 54.9 degrees
The most monthly precipitation in Santa Rosa Valley occurs in January with 2.1 inches
The air quality index in Santa Rosa Valley is 9% worse than the national average
The pollution index in Santa Rosa Valley is 396% worse than the national average

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Santa Rosa Valley 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	45°F	69°F	56°F	2.1"
February	44°F	68°F	56°F	1.9"
March	46°F	70°F	57°F	1.4"
April	48°F	71°F	59°F	0.7"
May	52°F	72°F	61°F	0.2"
June	57°F	74°F	65°F	0.0"
July	60°F	78°F	68°F	0.1"
August	60°F	78°F	68°F	0.0"
September	59°F	80°F	68°F	0.1"
October	54°F	78°F	65°F	0.4"
November	48°F	74°F	60°F	0.7"
December	43°F	68°F	55°F	2.0"

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Santa Rosa Valley 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	Santa Rosa Valley	California	National
Air quality index	46	55	42
Pollution index	13,529,800	10,473,190	2,726,193

Santa Rosa Valley air quality information

Measurement	Total
Days measured	365
Days with good air quality	214
Days with moderate air quality	142
Days w/ poor A.Q. for sensitive groups	9
Days with unhealthy air quality	0

Santa Rosa Valley air quality information

Pollutant	Total
Arsenic	0.150%
Benzene	0.190%
Carbon Tetrachloride	0.010%
Lead	0.180%
Mercury	0.070%

Average monthly Santa Rosa Valley temperature with heat index

Santa Rosa Valley monthly precipitation with daily maximum

Santa Rosa Valley monthly snow depth with daily maximum

Santa Rosa Valley monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
El Rio, CA	6,506	46	8.0%
Westlake Village, CA	8,203	46	8.0%
Fillmore, CA	15,631	46	8.0%
Moorpark, CA	36,443	46	8.0%
Camarillo, CA	68,583	46	8.0%
Santa Rosa Valley, CA	2,721	46	8.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Crest, CA	2,721	64	28.0%
Brush Prairie, WA	2,721	38	24.0%
Raoul, GA	2,720	37	26.0%
Wentworth, NC	2,720	43	14.0%
Zion, PA	2,720	44	12.0%
Santa Rosa Valley, CA	2,721	46	8.0%

Source: The Santa Rosa Valley, 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.