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Key findings

  • The highest monthly average temperature in La Crescenta-Montrose for August is 75 degrees
  • The lowest monthly average temperature in La Crescenta-Montrose for December is 55 degrees
  • The most monthly precipitation in La Crescenta-Montrose occurs in January with 3.3 inches
  • The air quality index in La Crescenta-Montrose is 45% worse than the national average
  • The pollution index in La Crescenta-Montrose is 2653% worse than the national average

Compare La Crescenta-Montrose, CA Weather

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      La Crescenta-Montrose 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
      January45°F69°F56°F3.3"
      February46°F70°F57°F2.5"
      March49°F73°F60°F2.0"
      April52°F75°F62°F0.6"
      May56°F78°F65°F0.2"
      June60°F83°F70°F0.0"
      July65°F89°F75°F0.0"
      August65°F90°F75°F0.0"
      September63°F89°F74°F0.2"
      October57°F82°F68°F0.5"
      November50°F76°F62°F0.6"
      December44°F68°F55°F2.1"

      La Crescenta-Montrose 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.
      IndexLa Crescenta-MontroseCaliforniaNational
      Air quality index725550
      Pollution index139,490,00018,106,7265,066,862

      La Crescenta-Montrose air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality66
      Days with moderate air quality208
      Days w/ poor A.Q. for sensitive groups62
      Days with unhealthy air quality28

      La Crescenta-Montrose air quality information

      PollutantTotal
      Arsenic0.200%
      Benzene0.950%
      Carbon Tetrachloride0.080%
      Lead1.320%
      Mercury0.440%

      Average monthly La Crescenta-Montrose temperature with heat index

      La Crescenta-Montrose monthly precipitation with daily maximum

      La Crescenta-Montrose monthly snow depth with daily maximum

      La Crescenta-Montrose monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Burbank CDP, CA4,9847244%
      Monterey Park, CA61,0017244%
      San Marino, CA13,3247244%
      Duarte, CA21,7927244%
      Mayflower Village, CA5,6697244%
      La Crescenta-Montrose, CA19,8247244%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      East Massapequa, NY19,827512%
      Plattsburgh, NY19,8203726%
      Badger, AK19,8303824%
      Bothell West, WA19,8334510%
      Montclair, VA19,836476%
      La Crescenta-Montrose, CA19,8247244%
      Source: The La Crescenta-Montrose, 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.