TODAY AUG16
TEMPERATURE77
HUMIDITY42
PRESSURE
WIND COND.128 1
  • 9863Fri
  • 9963Sat
  • 9860Sun
  • 9761Mon
  • 9762Tue
daynightWeather update from CAMPO SECO at

Ione Average Weather

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 10% worse than the national average.
  • The pollution index in Ione is 67% better than the national average.

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Compare Ione, CA Weather To Other Cities

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.
Jackson, CA4,6303922%
Sutter Creek, CA2,4873922%
Valley Springs, CA3,2933922%
Martell, CA3123922%
Mokelumne Hill, CA5843922%
Ione, CA7,0565510%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Thermalito, CA7,056468%
Austell, GA7,056524%
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.