TODAY JUL23
TEMPERATURE80
HUMIDITY51
PRESSURE30.04
WIND COND.200 13.9
  • 8157Mon
  • 8257Tue
  • 8156Wed
  • 8056Thu
  • 7856Fri
daynightWeather update from Napa, Napa County Airport at

American Canyon 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
January18°F80°F46°F3.3"
February25°F77°F49°F3.6"
March27°F82°F51°F1.9"
April25°F91°F54°F1.0"
May34°F101°F59°F0.8"
June36°F103°F63°F0.2"
July43°F106°F65°F0.0"
August43°F100°F64°F0.0"
September37°F99°F63°F0.0"
October34°F92°F58°F1.3"
November22°F84°F52°F1.4"
December19°F66°F46°F3.5"

Did you know?

  • The highest monthly average temperature in American Canyon for July is 65 degrees.
  • The lowest monthly average temperature in American Canyon for December is 46 degrees.
  • The most monthly precipitation in American Canyon occurs in February with 3.6 inches.
  • The air quality index in American Canyon is 13% better than the national average.
  • The pollution index in American Canyon is 40% worse than the national average.

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Compare American Canyon, CA Weather To Other Cities

American Canyon 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.
IndexAmerican CanyonCaliforniaNational
Air quality index435550
Pollution index7,123,51018,106,7265,066,862

American Canyon air quality information

MeasurementTotal
Days measured365
Days with good air quality241
Days with moderate air quality115
Days w/ poor A.Q. for sensitive groups9
Days with unhealthy air quality

American Canyon air quality information

PollutantTotal
Arsenic0.110%
Benzene0.070%
Carbon Tetrachloride0.000%
Lead0.090%
Mercury0.050%

Average monthly American Canyon temperature with heat index

American Canyon monthly precipitation with daily maximum

American Canyon monthly snow depth with daily maximum

American Canyon monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Black Point-Green Point, CA1,5924314%
Crockett, CA3,1034314%
Fetters Hot Springs-Agua Caliente, CA4,7754314%
Lemon Hill, CA13,5754314%
North Richmond, CA4,0394314%
American Canyon, CA20,3344314%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Gardner, MA20,3343824%
Lathrop, CA20,3315714%
Schofield Barracks, HI20,3303040%
Mililani Mauka, HI20,3223040%
Crest Hill, IL20,3166020%
American Canyon, CA20,3344314%
Source: The American Canyon, 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.