TODAY FEB25
TEMPERATURE52
HUMIDITY31
PRESSURE30.33
WIND COND. 11.2
  • 4529Fri20%
  • 4427Sat20%
  • 5231Sun
  • 4428Mon
  • 4829Tue
daynightWeather update from Montague Siskiyou County Airport at

Key findings

  • The highest monthly average temperature in Fort Jones for July is 75 degrees
  • The lowest monthly average temperature in Fort Jones for December is 34 degrees
  • The most monthly precipitation in Fort Jones occurs in December with 2.2 inches
  • The air quality index in Fort Jones is 28% better than the national average
  • The pollution index in Fort Jones is 173% worse than the national average

Compare Fort Jones, CA Weather

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      Fort Jones 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
      January25°F46°F34°F1.7"
      February27°F53°F39°F1.5"
      March31°F58°F43°F1.5"
      April33°F64°F48°F1.0"
      May40°F74°F57°F0.9"
      June47°F83°F65°F0.8"
      July55°F94°F75°F0.2"
      August52°F93°F73°F0.2"
      September45°F85°F64°F0.2"
      October37°F70°F52°F1.3"
      November30°F54°F41°F1.5"
      December25°F45°F34°F2.2"

      Fort Jones 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.
      IndexFort JonesCaliforniaNational
      Air quality index365550
      Pollution index13,842,60018,106,7265,066,862

      Fort Jones air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality295
      Days with moderate air quality63
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality4

      Fort Jones air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.210%
      Carbon Tetrachloride0.030%
      Lead0.030%
      Mercury0.020%

      Average monthly Fort Jones temperature with heat index

      Fort Jones monthly precipitation with daily maximum

      Fort Jones monthly snow depth with daily maximum

      Fort Jones monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Etna, CA7333628%
      Greenview, CA1943628%
      Yreka, CA7,5983628%
      Fort Jones, CA8163628%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Ridge Farm, IL8164510%
      Tonyville, CA8166632%
      Hermitage, AR8163530%
      Quapaw, OK8163824%
      St. Paul, KS8163824%
      Fort Jones, CA8163628%
      Source: The Fort Jones, 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.