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Key findings

  • The highest monthly average temperature in Hamilton Branch for July is 80.9 degrees
  • The lowest monthly average temperature in Hamilton Branch for December is 45.5 degrees
  • The most monthly precipitation in Hamilton Branch occurs in January with n/a inches
  • The air quality index in Hamilton Branch is 8% better than the national average
  • The pollution index in Hamilton Branch is 64% better than the national average

Compare Hamilton Branch, CA Weather

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      Hamilton Branch 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°F56°F46°Fn/a
      February41°F60°F50°Fn/a
      March45°F64°F54°Fn/a
      April48°F71°F59°Fn/a
      May55°F80°F67°Fn/a
      June63°F89°F76°Fn/a
      July67°F94°F81°Fn/a
      August66°F93°F79°Fn/a
      September61°F89°F75°Fn/a
      October53°F76°F64°Fn/a
      November43°F61°F52°Fn/a
      December38°F54°F46°Fn/a

      Hamilton Branch 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.
      IndexHamilton BranchCaliforniaNational
      Air quality index465550
      Pollution index1,799,83018,106,7265,066,862

      Hamilton Branch 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

      Hamilton Branch air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.030%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.004%

      Average monthly Hamilton Branch temperature with heat index

      Hamilton Branch monthly precipitation with daily maximum

      Hamilton Branch monthly snow depth with daily maximum

      Hamilton Branch monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Westwood, CA1,685468%
      Canyondam, CA94468%
      Lake Almanor Country Club, CA357468%
      Lake Almanor Peninsula, CA486468%
      Warner Valley, CA5468%
      Hamilton Branch, CA547468%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Oconomowoc Lake, WI5473726%
      Garden Grove, FL5473040%
      Cortland, NE5473138%
      Slatedale, PA5474216%
      Tijeras, NM547536%
      Hamilton Branch, CA547468%
      Source: The Hamilton Branch, 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.