TODAY FEB27
TEMPERATURE64
HUMIDITY33
PRESSURE30.02
WIND COND.300 5.4
  • 6339Sat
  • 6739Sun
  • 6640Mon
  • 6840Tue
  • 7042Wed
daynightWeather update from Oroville, Oroville Municipal Airport at

Key findings

  • The highest monthly average temperature in Gridley for July is 81 degrees
  • The lowest monthly average temperature in Gridley for December is 47 degrees
  • The most monthly precipitation in Gridley occurs in December with 4.1 inches
  • The air quality index in Gridley is 12% better than the national average
  • The pollution index in Gridley is 60% better than the national average

Compare Gridley, CA Weather

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      Gridley 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°F3.5"
      February42°F62°F51°F3.9"
      March45°F67°F56°F3.7"
      April48°F74°F60°F2.1"
      May55°F84°F69°F0.7"
      June61°F92°F76°F0.3"
      July65°F98°F81°F0.0"
      August63°F95°F79°F0.0"
      September59°F90°F74°F0.2"
      October51°F79°F64°F1.2"
      November44°F65°F54°F2.6"
      December38°F57°F47°F4.1"

      Gridley 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.
      IndexGridleyCaliforniaNational
      Air quality index445550
      Pollution index2,024,69018,106,7265,066,862

      Gridley air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality239
      Days with moderate air quality124
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Gridley air quality information

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

      Average monthly Gridley temperature with heat index

      Gridley monthly precipitation with daily maximum

      Gridley monthly snow depth with daily maximum

      Gridley monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Honcut, CA1484412%
      Palermo, CA5,7834412%
      Marysville, CA12,1764412%
      Sutter, CA3,2044412%
      Biggs, CA1,9854412%
      Gridley, CA6,5584412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Lionville, PA6,5574216%
      Irvington, NY6,559512%
      Crockett, TX6,5613628%
      Osprey, FL6,5613824%
      Mattydale, NY6,5553726%
      Gridley, CA6,5584412%
      Source: The Gridley, 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.