TODAY MAY31
TEMPERATURE52
HUMIDITY100
PRESSURE
WIND COND.94 1
  • 8257Sun
  • 8659Mon
  • 9664Tue
  • 9863Wed
  • 9659Thu
daynightWeather update from CAMPO SECO at
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Ione 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
January38°F58°F47°F3.3"
February41°F63°F51°F3.1"
March44°F68°F55°F2.9"
April47°F74°F59°F1.8"
May52°F82°F65°F0.5"
June57°F90°F71°F0.3"
July59°F95°F74°F0.0"
August58°F93°F73°F0.0"
September56°F90°F70°F0.1"
October50°F79°F63°F1.2"
November43°F66°F53°F1.6"
December38°F57°F47°F3.8"

Did you know?

  • The highest monthly average temperature in Ione for July is 74 degrees.
  • The lowest monthly average temperature in Ione for January is 47 degrees.
  • The most monthly precipitation in Ione occurs in December with 3.8 inches.
  • The air quality index in Ione is 11% worse than the national average.
  • The pollution index in Ione is 68% better than the national average.

Compare Ione, CA Weather To Other Cities

      vs

      Ione 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.
      IndexIoneCaliforniaNational
      Air quality index555550
      Pollution index1,641,28018,106,7265,066,862

      Ione air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality155
      Days with moderate air quality175
      Days w/ poor A.Q. for sensitive groups31
      Days with unhealthy air quality4

      Ione air quality information

      PollutantTotal
      Arsenic0.090%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.020%
      Mercury0.010%

      Average monthly Ione temperature with heat index

      Ione monthly precipitation with daily maximum

      Ione monthly snow depth with daily maximum

      Ione monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Martell, CA3123922%
      Mokelumne Hill, CA5843922%
      San Andreas, CA3,0773922%
      Jackson, CA4,6303922%
      Sutter Creek, CA2,4873922%
      Ione, CA7,0565510%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Austell, GA7,056524%
      Thermalito, CA7,056468%
      Roanoke, TX7,055548%
      Lower Allen, PA7,054524%
      Wauseon, OH7,0593824%
      Ione, CA7,0565510%
      Source: The Ione, 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.