TODAY MAR04
TEMPERATURE
HUMIDITY
PRESSURE
WIND COND.
  • 4538Tue90%70%
  • 5032Wed40%
  • 5030Thu
  • 5636Fri
  • 4933Sat
daynightWeather update from TRINITY RIVER NEAR DOUGLAS CITY 1SW at
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Weather Quick Facts

  • The highest monthly average temperature in Junction City for July is 84.1 degrees
  • The lowest monthly average temperature in Junction City for December is 45.8 degrees
  • The most monthly precipitation in Junction City occurs in December with 6.1 inches
  • The air quality index in Junction City is equal to the national average
  • The pollution index in Junction City is 107% 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 index425542
      Pollution index5,642,31010,473,1902,726,193

      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

      CityPopulationAir Quality IndexNational Avg.
      Hayfork, CA2,5864216.0%
      Douglas City, CA6784216.0%
      Lewiston, CA1,4814216.0%
      Weaverville, CA3,3084216.0%
      Junction City, CA7544216.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Stratton, CO7544510.0%
      Palmona Park, FL7543628.0%
      Chatham, LA7543432.0%
      Carrolltown, PA7544118.0%
      Port Trevorton, PA7544412.0%
      Junction City, CA7544216.0%
      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.