TODAY NOV21
TEMPERATURE39
HUMIDITY94
PRESSURE
WIND COND.152 19.3
  • 4637Fri100%100%
  • 4034Sat100%70%
  • 4037Sun60%
  • 4138Mon
  • 3934Tue
daynightWeather update from WHITE CLOUD at
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Weather Quick Facts

  • The highest monthly average temperature in Alleghany for July is 70.9 degrees
  • The lowest monthly average temperature in Alleghany for December is 39.2 degrees
  • The most monthly precipitation in Alleghany occurs in December with 11.7 inches
  • The air quality index in Alleghany is 5% worse than the national average
  • The pollution index in Alleghany is 57% worse than the national average

Compare Alleghany, CA Weather

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      Alleghany 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°F49°F41°F7.8"
      February35°F47°F40°F8.4"
      March36°F49°F41°F10.1"
      April38°F54°F45°F5.7"
      May46°F62°F53°F3.7"
      June55°F71°F62°F1.4"
      July64°F79°F71°F0.1"
      August63°F79°F70°F0.1"
      September58°F74°F65°F1.4"
      October48°F63°F54°F4.8"
      November40°F53°F46°F7.3"
      December34°F46°F39°F11.7"

      Alleghany 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.
      IndexAlleghanyCaliforniaNational
      Air quality index445542
      Pollution index4,289,31010,473,1902,726,193

      Alleghany air quality

      MeasurementTotal
      Days measured361
      Days with good air quality273
      Days with moderate air quality83
      Days w/ poor A.Q. for sensitive groups5
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.050%
      Benzene0.070%
      Carbon Tetrachloride0.001%
      Lead0.060%
      Mercury0.010%

      Average monthly Alleghany temperature with heat index

      Alleghany monthly precipitation with daily maximum

      Alleghany monthly snow depth with daily maximum

      Alleghany monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Nevada City, CA3,1454412.0%
      Graniteville, CA144412.0%
      Camptonville, CA1794412.0%
      North San Juan, CA1514412.0%
      Sierra City, CA844412.0%
      Alleghany, CA994412.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Cullomburg, AL993628.0%
      Faunsdale, AL993530.0%
      Black Springs, AR993824.0%
      Tumacacori-Carmen, AZ993138.0%
      Bradley, CA99468.0%
      Alleghany, CA994412.0%
      Source: The Alleghany, 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.