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Key findings

  • The highest monthly average temperature in Humboldt Hill for July is 58 degrees
  • The lowest monthly average temperature in Humboldt Hill for January is 44 degrees
  • The most monthly precipitation in Humboldt Hill occurs in December with 11.4 inches
  • The air quality index in Humboldt Hill is 46% better than the national average
  • The pollution index in Humboldt Hill is 11% worse than the national average

Compare Humboldt Hill, CA Weather

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      Humboldt Hill 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
      January35°F53°F44°F6.0"
      February40°F56°F49°F6.4"
      March41°F57°F50°F6.8"
      April40°F56°F49°F5.8"
      May45°F59°F53°F3.6"
      June47°F61°F55°F3.9"
      July52°F65°F58°F1.0"
      August50°F63°F56°F0.3"
      September46°F63°F54°F0.4"
      October44°F61°F53°F5.6"
      November40°F58°F49°F4.0"
      December39°F54°F47°F11.4"

      Humboldt Hill 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.
      IndexHumboldt HillCaliforniaNational
      Air quality index275550
      Pollution index5,642,31018,106,7265,066,862

      Humboldt Hill air quality information

      MeasurementTotal
      Days measured363
      Days with good air quality353
      Days with moderate air quality10
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Humboldt Hill air quality information

      PollutantTotal
      Arsenic0.060%
      Benzene0.080%
      Carbon Tetrachloride0.000%
      Lead0.050%
      Mercury0.050%

      Average monthly Humboldt Hill temperature with heat index

      Humboldt Hill monthly precipitation with daily maximum

      Humboldt Hill monthly snow depth with daily maximum

      Humboldt Hill monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Blue Lake, CA1,1472746%
      Ferndale, CA1,4192746%
      Indianola, CA9122746%
      Pine Hills, CA3,4402746%
      Arcata, CA17,7752746%
      Humboldt Hill, CA3,7102746%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Whitesboro, NY3,7112746%
      Emerald Isle, NC3,7093726%
      Rayville, LA3,7083432%
      Narragansett Pier, RI3,7084412%
      Lake Land'Or, VA3,7074412%
      Humboldt Hill, CA3,7102746%
      Source: The Humboldt Hill, 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.