TODAY NOV17
TEMPERATURE66
HUMIDITY24
PRESSURE101560
WIND COND.310 5.4
  • 6645Mon
  • 6848Tue
  • 7350Wed
  • 7451Thu
  • 7450Fri
daynightWeather update from Long Beach, Long Beach Airport at
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Weather Quick Facts

  • The highest monthly average temperature in City Of Signal Hill for August is 72.1 degrees
  • The lowest monthly average temperature in City Of Signal Hill for December is 56.2 degrees
  • The most monthly precipitation in City Of Signal Hill occurs in December with 2.7 inches
  • The air quality index in City Of Signal Hill is 71% worse than the national average
  • The pollution index in City Of Signal Hill is 56% worse than the national average

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      City Of Signal Hill 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
      January46°F70°F57°F2.6"
      February48°F70°F58°F2.5"
      March51°F72°F60°F1.0"
      April53°F74°F62°F0.6"
      May57°F75°F65°F0.3"
      June61°F78°F67°F0.0"
      July65°F83°F71°F0.2"
      August65°F85°F72°F0.0"
      September63°F85°F72°F0.3"
      October59°F81°F68°F0.5"
      November52°F76°F62°F0.7"
      December46°F69°F56°F2.7"

      City Of Signal Hill 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.
      IndexCity Of Signal HillLong BeachCalifornia
      Air quality index727255
      Pollution index4,251,4104,251,41010,473,190

      City Of Signal Hill 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
      Arsenic0.010%
      Benzene0.100%
      Carbon Tetrachloride0.000%
      Lead0.010%
      Mercury0.000%

      Average monthly City Of Signal Hill temperature with heat index

      City Of Signal Hill monthly precipitation with daily maximum

      City Of Signal Hill monthly snow depth with daily maximum

      City Of Signal Hill monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Ladera Heights, CA6,4197244.0%
      Hermosa Beach, CA19,1477244.0%
      Palos Verdes Estates, CA13,3597244.0%
      Rolling Hills CDP, CA8327244.0%
      Hawthorne, CA85,4107244.0%
      Long Beach, CA462,0817244.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Miami, FL461,0804118.0%
      Raleigh, NC469,698468.0%
      Colorado Springs, CO471,6864510.0%
      Halifax, NS451,852n/a 
      Virginia Beach, VA450,8824020.0%
      Long Beach, CA462,0817244.0%
      Source: The City Of Signal Hill, Long 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.