TODAY APR19
TEMPERATURE88
HUMIDITY11
PRESSURE30
WIND COND.
  • 8954Mon
  • 8352Tue
  • 8552Wed
  • 8652Thu
  • 8451Fri
daynightWeather update from Oroville, Oroville Municipal Airport at

Key findings

  • The highest monthly average temperature in Thermalito for July is 81 degrees
  • The lowest monthly average temperature in Thermalito for December is 46.6 degrees
  • The most monthly precipitation in Thermalito occurs in December with 4.1 inches
  • The air quality index in Thermalito is 8% better than the national average
  • The pollution index in Thermalito is 60% better than the national average

Compare Thermalito, CA Weather

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      Thermalito 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"

      Thermalito 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.
      IndexThermalitoCaliforniaNational
      Air quality index465550
      Pollution index2,024,69018,106,7265,066,862

      Thermalito air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality224
      Days with moderate air quality136
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality2

      Thermalito air quality information

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

      Average monthly Thermalito temperature with heat index

      Thermalito monthly precipitation with daily maximum

      Thermalito monthly snow depth with daily maximum

      Thermalito monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Gridley, CA6,5584412%
      Bangor, CA4744412%
      Honcut, CA1484412%
      Robinson Mill, CA194412%
      Palermo, CA5,7834412%
      Thermalito, CA7,056468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Ione, CA7,056524%
      Austell, GA7,056524%
      Roanoke, TX7,055512%
      Lower Allen, PA7,0544412%
      Pollock Pines, CA7,0534412%
      Thermalito, CA7,056468%
      Source: The Thermalito, 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.