TODAY JUN20
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 9458Thu
  • 10464Fri
  • 10568Sat
  • 9559Sun
  • 8857Mon
daynightWeather update from Fairfield / Travis Air Force Base at

Rio Vista Average Weather

In the event that the weather data was unavailable for this city, estimates based upon nearby cities were used.
MonthTemp. (min)Temp. (max)Temp. (avg)Precipitation
January19°F74°F45°F3.4"
February28°F75°F50°F3.7"
March30°F82°F53°F2.5"
April30°F93°F56°F1.7"
May41°F100°F64°F1.4"
June44°F106°F68°F0.1"
July52°F113°F72°F0.5"
August52°F104°F70°F1.0"
September39°F102°F68°F0.5"
October37°F93°F61°F1.5"
November27°F81°F54°F1.3"
December19°F70°F46°F3.7"

Did you know?

  • The highest monthly average temperature in Rio Vista for July is 72 degrees.
  • The lowest monthly average temperature in Rio Vista for January is 45 degrees.
  • The most monthly precipitation in Rio Vista occurs in December with 3.7 inches.
  • The air quality index in Rio Vista is 14% worse than the national average.
  • The pollution index in Rio Vista is 51% better than the national average.

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Compare Rio Vista, CA Weather To Other Cities

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.
IndexRio VistaCaliforniaNational
Air quality index575550
Pollution index2,457,15018,106,7265,066,862

Rio Vista air quality information

MeasurementTotal
Days measured365
Days with good air quality128
Days with moderate air quality207
Days w/ poor A.Q. for sensitive groups21
Days with unhealthy air quality9

Rio Vista air quality information

PollutantTotal
Arsenic0.010%
Benzene0.080%
Carbon Tetrachloride0.002%
Lead0.010%
Mercury0.020%

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, StatePopulationAir Quality IndexNational Avg.
Vacaville, CA95,6074314%
Elmira, CA2084314%
Bay Point, CA23,1314314%
Pittsburg, CA67,9984314%
Courtland, CA5205510%
Rio Vista, CA8,0555714%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Fairwood CDP (Spokane County), WA8,055492%
Brookhaven, PA8,0565714%
Hailey, ID8,0581374%
Bellevue, OH8,0593628%
Ludington, MI8,0513824%
Rio Vista, CA8,0555714%
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.