TODAY AUG14
TEMPERATURE86
HUMIDITY14
PRESSURE
WIND COND.131 2
  • 8765Wed
  • 8764Thu
  • 8864Fri
  • 8865Sat
  • 8964Sun
daynightWeather update from WHITE CLOUD at

Alleghany Average Weather

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"

Did you know?

  • The highest monthly average temperature in Alleghany for July is 71 degrees.
  • The lowest monthly average temperature in Alleghany for December is 39 degrees.
  • The most monthly precipitation in Alleghany occurs in December with 11.7 inches.
  • The air quality index in Alleghany is 11% better than the national average.
  • The pollution index in Alleghany is 15% better than the national average.

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Compare Alleghany, CA Weather To Other Cities

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 index445550
Pollution index4,289,31018,106,7265,066,862

Alleghany air quality information

MeasurementTotal
Days measured363
Days with good air quality238
Days with moderate air quality120
Days w/ poor A.Q. for sensitive groups5
Days with unhealthy air quality

Alleghany air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Nevada City, CA3,1174216%
North San Juan, CA2934216%
Pike, CA654216%
Camptonville, CA1714216%
Downieville, CA2254412%
Alleghany, CA1344412%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Palominas, AZ1344412%
Chestnut, IL1343922%
Marietta, NC1343040%
Vale, SD1344314%
Woodward, PA1343922%
Alleghany, CA1344412%
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.