TODAY MAY13
TEMPERATURE50
HUMIDITY46
PRESSURE30.16
WIND COND.320 18.4
  • 7438Thu
  • 7240Fri
  • 7237Sat
  • 7341Sun
  • 7440Mon
daynightWeather update from Hailey, Friedman Memorial Airport at

Key findings

  • The highest monthly average temperature in Fairfield for July is 75.4 degrees
  • The lowest monthly average temperature in Fairfield for December is 25.7 degrees
  • The most monthly precipitation in Fairfield occurs in April with 3.3 inches
  • The air quality index in Fairfield is 60% better than the national average
  • The pollution index in Fairfield is 95% better than the national average

Compare Fairfield, ID Weather

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      Fairfield 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
      January19°F35°F26°F1.3"
      February25°F44°F33°F2.5"
      March31°F56°F42°F2.5"
      April35°F62°F46°F3.3"
      May43°F72°F56°F2.9"
      June48°F80°F63°F1.7"
      July60°F92°F75°F0.7"
      August55°F88°F71°F0.4"
      September46°F76°F60°F0.7"
      October38°F63°F49°F2.5"
      November27°F48°F36°F1.2"
      December20°F32°F26°F3.1"

      Fairfield 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.
      IndexFairfieldIdahoNational
      Air quality index203250
      Pollution index249,4182,232,2855,066,862

      Fairfield air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality361
      Days with moderate air quality4
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Fairfield air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.004%
      Carbon Tetrachloride0.000%
      Lead0.000%
      Mercury0.000%

      Average monthly Fairfield temperature with heat index

      Fairfield monthly precipitation with daily maximum

      Fairfield monthly snow depth with daily maximum

      Fairfield monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Fairfield, ID4622060%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Fisher, MN4623334%
      Colesburg, IA4622942%
      Lashmeet, WV462295490%
      Navajo Mountain, UT4624510%
      Fulton, IN4623726%
      Fairfield, ID4622060%
      Source: The Fairfield, ID 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.