TODAY MAY18
TEMPERATURE80
HUMIDITY39
PRESSURE30.01
WIND COND.
  • 7748Wed
  • 7149Thu20%
  • 7753Fri
  • 7855Sat
  • 8557Sun
daynightWeather update from Oroville, Oroville Municipal Airport at

Key findings

  • The highest monthly average temperature in Palermo for July is 81 degrees
  • The lowest monthly average temperature in Palermo for December is 46.6 degrees
  • The most monthly precipitation in Palermo occurs in December with 4.1 inches
  • The air quality index in Palermo is 12% better than the national average
  • The pollution index in Palermo is 60% better than the national average

Compare Palermo, CA Weather

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      Palermo 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"

      Palermo 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.
      IndexPalermoCaliforniaNational
      Air quality index445550
      Pollution index2,024,69018,106,7265,066,862

      Palermo 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

      Palermo air quality information

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

      Average monthly Palermo temperature with heat index

      Palermo monthly precipitation with daily maximum

      Palermo monthly snow depth with daily maximum

      Palermo monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Biggs, CA1,9854412%
      Rackerby, CA1654412%
      Loma Rica, CA2,9544412%
      Bangor, CA4744412%
      Gridley, CA6,5584412%
      Palermo, CA5,7834412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Siesta Key, FL5,7823824%
      Laie, HI5,7823040%
      Hingham, MA5,7774314%
      Spencer, MA5,7904020%
      Robertsdale, AL5,7763726%
      Palermo, CA5,7834412%
      Source: The Palermo, 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.