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Key findings

  • The highest monthly average temperature in Niles for August is 64 degrees
  • The lowest monthly average temperature in Niles for December is 49 degrees
  • The most monthly precipitation in Niles occurs in January with 3.5 inches
  • The air quality index in Niles is 14% better than the national average
  • The pollution index in Niles is 27% worse than the national average

Compare Fremont, CA Weather

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      Niles 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
      January42°F58°F50°F3.5"
      February46°F61°F53°F3.3"
      March46°F64°F54°F2.6"
      April48°F66°F56°F1.8"
      May52°F69°F59°F0.6"
      June56°F73°F62°F0.1"
      July57°F75°F64°F0.0"
      August58°F76°F64°F0.0"
      September57°F76°F64°F0.2"
      October53°F72°F61°F1.4"
      November48°F66°F56°F1.3"
      December42°F58°F49°F3.2"

      Niles 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.
      IndexNilesFremontCalifornia
      Air quality index434355
      Pollution index6,427,2906,427,29018,106,726

      Niles air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality263
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality0

      Niles air quality information

      PollutantTotal
      Arsenic0.010%
      Benzene0.110%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.003%

      Average monthly Niles temperature with heat index

      Niles monthly precipitation with daily maximum

      Niles monthly snow depth with daily maximum

      Niles monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Camino Tassajara, CA3,4564020%
      Norris Canyon, CA1,0464020%
      Castro Valley, CA62,8254020%
      San Leandro, CA89,0394020%
      Ashland, CA24,2884020%
      Fremont, CA227,9344314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Baton Rouge, LA228,6944510%
      Gilbert, AZ226,8327448%
      Paradise, NV229,666548%
      Arlington, VA226,092476%
      North Las Vegas, NV230,436548%
      Fremont, CA227,9344314%
      Source: The Niles, Fremont, 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.