TODAY NOV22
TEMPERATURE47
HUMIDITY80
PRESSURE101860
WIND COND.130 7.6
  • 6349Fri
  • 6355Sat50%
  • 6253Sun40%
  • 6454Mon
  • 6454Tue
daynightWeather update from San Diego, Brown Field Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Imperial Beach for August is 70.2 degrees
  • The lowest monthly average temperature in Imperial Beach for December is 56 degrees
  • The most monthly precipitation in Imperial Beach occurs in December with 1.4 inches
  • The air quality index in Imperial Beach is 52% worse than the national average
  • The pollution index in Imperial Beach is 1581% worse than the national average

Compare Imperial Beach, CA Weather

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      Imperial Beach 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
      January48°F67°F57°F1.2"
      February49°F66°F57°F0.7"
      March50°F67°F59°F1.0"
      April52°F68°F60°F0.3"
      May57°F69°F63°F0.2"
      June60°F71°F66°F0.0"
      July64°F74°F69°F0.2"
      August65°F76°F70°F0.0"
      September62°F77°F70°F0.1"
      October56°F75°F66°F0.2"
      November52°F72°F62°F0.4"
      December47°F66°F56°F1.4"

      Imperial Beach 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.
      IndexImperial BeachCaliforniaNational
      Air quality index645542
      Pollution index45,820,50010,473,1902,726,193

      Imperial Beach air quality

      MeasurementTotal
      Days measured365
      Days with good air quality87
      Days with moderate air quality253
      Days w/ poor A.Q. for sensitive groups23
      Days with unhealthy air quality2

      Air quality details

      PollutantTotal
      Arsenic1.130%
      Benzene0.410%
      Carbon Tetrachloride0.030%
      Lead0.600%
      Mercury0.080%

      Average monthly Imperial Beach temperature with heat index

      Imperial Beach monthly precipitation with daily maximum

      Imperial Beach monthly snow depth with daily maximum

      Imperial Beach monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Coronado, CA24,5266428.0%
      National City, CA61,3426428.0%
      Casa de Oro-Mount Helix, CA19,3276428.0%
      Jamul, CA5,7766428.0%
      San Diego, CA1,414,5456428.0%
      Imperial Beach, CA27,3346428.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Citrus Park, FL27,3334314.0%
      Bixby, OK27,3154510.0%
      Round Lake Beach, IL27,3133922.0%
      Gladstone, MO27,365476.0%
      Bergenfield, NJ27,375512.0%
      Imperial Beach, CA27,3346428.0%
      Source: The Imperial Beach, 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.