TODAY NOV21
TEMPERATURE77
HUMIDITY
PRESSURE101690
WIND COND.290 13
  • 6949Fri
  • 6354Sat40%60%
  • 6552Sun30%
  • 6352Mon
  • 6451Tue
daynightWeather update from Los Alamitos Army Airfield at
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Weather Quick Facts

  • The highest monthly average temperature in Los Alamitos for August is 72.2 degrees
  • The lowest monthly average temperature in Los Alamitos for December is 55.2 degrees
  • The most monthly precipitation in Los Alamitos occurs in December with 7.6 inches
  • The air quality index in Los Alamitos is 71% worse than the national average
  • The pollution index in Los Alamitos is 69% better than the national average

Compare Los Alamitos, CA Weather

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      Los Alamitos 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°F7.4"
      February47°F68°F57°F5.5"
      March50°F71°F60°F2.6"
      April52°F73°F62°F1.3"
      May57°F74°F64°F2.3"
      June60°F77°F67°F0.1"
      July64°F81°F71°F0.5"
      August64°F83°F72°F0.2"
      September62°F84°F71°F5.2"
      October57°F80°F67°F1.7"
      November50°F74°F61°F2.9"
      December44°F67°F55°F7.6"

      Los Alamitos 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.
      IndexLos AlamitosCaliforniaNational
      Air quality index725542
      Pollution index858,65210,473,1902,726,193

      Los Alamitos air quality

      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

      Air quality details

      PollutantTotal
      Arsenic0.002%
      Benzene0.010%
      Carbon Tetrachloride0.000%
      Lead0.020%
      Mercury0.001%

      Average monthly Los Alamitos temperature with heat index

      Los Alamitos monthly precipitation with daily maximum

      Los Alamitos monthly snow depth with daily maximum

      Los Alamitos monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hacienda Heights, CA55,3867244.0%
      Florence-Graham, CA64,7877244.0%
      West Rancho Dominguez, CA21,9777244.0%
      Cerritos, CA49,3887244.0%
      Fullerton, CA141,0617244.0%
      Los Alamitos, CA11,5217244.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Lac Ste. Anne County, AB11,522n/a 
      Byram, MS11,5194412.0%
      Branson, MO11,5261864.0%
      Hamilton Square, NJ11,5264118.0%
      Bacliff, TX11,513524.0%
      Los Alamitos, CA11,5217244.0%
      Source: The Los Alamitos, 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.