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Key findings

  • The highest monthly average temperature in Junction City for July is 84 degrees
  • The lowest monthly average temperature in Junction City for December is 46 degrees
  • The most monthly precipitation in Junction City occurs in December with 6.1 inches
  • The air quality index in Junction City is 16% better than the national average
  • The pollution index in Junction City is 11% worse than the national average

Compare Junction City, CA Weather

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      Junction City 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
      January36°F60°F47°F5.0"
      February39°F64°F51°F4.6"
      March42°F68°F54°F4.3"
      April45°F74°F59°F2.5"
      May53°F84°F69°F1.4"
      June61°F94°F77°F1.0"
      July66°F102°F84°F0.1"
      August63°F100°F82°F0.0"
      September57°F94°F75°F0.5"
      October49°F80°F64°F2.2"
      November40°F67°F52°F3.5"
      December36°F58°F46°F6.1"

      Junction City 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.
      IndexJunction CityCaliforniaNational
      Air quality index425550
      Pollution index5,642,31018,106,7265,066,862

      Junction City air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality311
      Days with moderate air quality53
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Junction City air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.080%
      Carbon Tetrachloride0.000%
      Lead0.050%
      Mercury0.050%

      Average monthly Junction City temperature with heat index

      Junction City monthly precipitation with daily maximum

      Junction City monthly snow depth with daily maximum

      Junction City monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Douglas City, CA5954216%
      Lewiston, CA1,3204216%
      Weaverville, CA3,2414216%
      Hayfork, CA2,8374216%
      Junction City, CA6754216%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Barlow, KY6754412%
      Malott, WA6752452%
      Wilton Center, CT6754314%
      Aroma Park, IL6755510%
      Wright City, OK6753922%
      Junction City, CA6754216%
      Source: The Junction City, 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.