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Alta 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
January20°F38°F28°F1.3"
February27°F47°F36°F1.1"
March33°F58°F45°F1.8"
April38°F64°F51°F2.4"
May46°F74°F60°F2.0"
June57°F88°F72°F0.9"
July67°F96°F82°F0.5"
August64°F93°F79°F0.7"
September54°F83°F68°F1.3"
October42°F68°F54°F1.2"
November32°F54°F42°F1.2"
December22°F40°F30°F1.6"

Did you know?

  • The highest monthly average temperature in Alta for July is 82 degrees.
  • The lowest monthly average temperature in Alta for January is 28 degrees.
  • The most monthly precipitation in Alta occurs in April with 2.4 inches.
  • The air quality index in Alta is 5% better than the national average.
  • The pollution index in Alta is 236% worse than the national average.

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Compare Alta, UT Weather To Other Cities

Alta 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.
IndexAltaUtahNational
Air quality index474550
Pollution index17,030,3006,755,1215,066,862

Alta air quality information

MeasurementTotal
Days measured365
Days with good air quality223
Days with moderate air quality97
Days w/ poor A.Q. for sensitive groups36
Days with unhealthy air quality9

Alta air quality information

PollutantTotal
Arsenic0.280%
Benzene0.230%
Carbon Tetrachloride0.000%
Lead0.360%
Mercury0.040%

Average monthly Alta temperature with heat index

Alta monthly precipitation with daily maximum

Alta monthly snow depth with daily maximum

Alta monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
American Fork, UT28,127476%
Daniel, UT1,057476%
Heber, UT13,655476%
Interlaken, UT91476%
Millcreek, UT61,191476%
Alta, UT349476%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Estral Beach, MI349688%
Madison, PA3495612%
West Waynesburg, PA3493040%
Ben Avon Heights, PA3495612%
Shiloh, NJ3493138%
Alta, UT349476%
Source: The Alta, UT 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.