TODAY MAR19
TEMPERATURE42
HUMIDITY64
PRESSURE102030
WIND COND.140 13
  • 3925Tue
  • 3926Wed
  • 3826Thu20%
  • 4129Fri
  • 3921Sat
daynightWeather update from Salt Lake City, Salt Lake City International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Alta for July is 81.7 degrees
  • The lowest monthly average temperature in Alta for January is 28.5 degrees
  • The most monthly precipitation in Alta occurs in April with 2.4 inches
  • The air quality index in Alta is 21% worse than the national average
  • The pollution index in Alta is 525% worse than the national average

Compare Alta, UT Weather

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      Alta Average Temperature

      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"

      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 index514542
      Pollution index17,030,3003,340,3692,726,193

      Alta air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality170
      Days with moderate air quality178
      Days w/ poor A.Q. for sensitive groups17
      Days with unhealthy air quality0

      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

      CityPopulationAir Quality IndexNational Avg.
      Pleasant Grove, UT38,474468.0%
      Heber, UT16,362468.0%
      Daniel, UT1,147468.0%
      Wallsburg, UT330468.0%
      Interlaken, UT112468.0%
      Alta, UT396512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      South Van Horn, AK3963824.0%
      Highland Lake, AL3964314.0%
      Blevins, AR3963236.0%
      Wausau, FL3963824.0%
      Lorimor, IA3963922.0%
      Alta, UT396512.0%
      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.