Rio Vista, CA Weather - Forecast & Monthly Averages

TEMPERATURE	70
HUMIDITY	42
PRESSURE	101490.06
WIND COND.	290 9.3

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Weather Quick Facts

The highest monthly average temperature in Rio Vista for July is 70.8 degrees
The lowest monthly average temperature in Rio Vista for December is 45.7 degrees
The most monthly precipitation in Rio Vista occurs in January with 8.6 inches
The air quality index in Rio Vista is 7% worse than the national average
The pollution index in Rio Vista is 10% better than the national average

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Rio Vista 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	37°F	58°F	46°F	8.6"
February	40°F	63°F	50°F	6.8"
March	43°F	67°F	54°F	6.5"
April	46°F	72°F	58°F	4.4"
May	51°F	79°F	63°F	2.6"
June	55°F	87°F	69°F	5.0"
July	57°F	90°F	71°F	3.3"
August	57°F	89°F	70°F	3.3"
September	55°F	89°F	69°F	4.3"
October	49°F	79°F	63°F	5.1"
November	42°F	67°F	53°F	4.2"
December	36°F	58°F	46°F	6.4"

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Rio Vista 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	Rio Vista	California	National
Air quality index	45	55	42
Pollution index	2,457,150	10,473,190	2,726,193

Rio Vista 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

Rio Vista air quality information

Pollutant	Total
Arsenic	0.010%
Benzene	0.080%
Carbon Tetrachloride	0.002%
Lead	0.010%
Mercury	0.020%

Average monthly Rio Vista temperature with heat index

Rio Vista monthly precipitation with daily maximum

Rio Vista monthly snow depth with daily maximum

Rio Vista monthly wind speed information

Nearby cities with good air quality

City	Population	Air Quality Index	National Avg.
Vacaville, CA	99,958	35	30.0%
Elmira, CA	234	35	30.0%
Pittsburg, CA	71,723	40	20.0%
Bay Point, CA	25,378	40	20.0%
Knightsen, CA	1,100	45	10.0%
Rio Vista, CA	9,407	45	10.0%

Cities with similar population

City	Population	Air Quality Index	National Avg.
Atoka, TN	9,407	45	10.0%
Country Club Estates, GA	9,408	36	28.0%
Middletown, PA	9,410	44	12.0%
Pryor Creek, OK	9,417	36	28.0%
Cairo, GA	9,395	40	20.0%
Rio Vista, CA	9,407	45	10.0%

Source: The Rio Vista, 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.