TODAY APR26
TEMPERATURE64
HUMIDITY63
PRESSURE101220
WIND COND.130 24.1
  • 8168Sat20%20%
  • 8265Sun20%80%
  • 7958Mon90%70%
  • 8464Tue20%
  • 8361Wed20%40%
daynightWeather update from St. Louis Lambert International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Crystal Lake Park for July is 80.9 degrees
  • The lowest monthly average temperature in Crystal Lake Park for January is 33.1 degrees
  • The most monthly precipitation in Crystal Lake Park occurs in April with 5.4 inches
  • The air quality index in Crystal Lake Park is 28% worse than the national average
  • The pollution index in Crystal Lake Park is 211% worse than the national average

Compare Crystal Lake Park, MO Weather

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      Crystal Lake Park 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
      January24°F45°F33°F2.4"
      February25°F48°F35°F2.2"
      March37°F61°F48°F3.6"
      April47°F72°F59°F5.4"
      May57°F80°F68°F4.6"
      June67°F89°F78°F5.2"
      July70°F92°F81°F4.2"
      August69°F91°F79°F3.6"
      September61°F84°F72°F4.3"
      October48°F72°F60°F3.4"
      November37°F60°F48°F3.4"
      December27°F47°F37°F3.5"

      Crystal Lake Park 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.
      IndexCrystal Lake ParkMissouriNational
      Air quality index549742
      Pollution index8,473,0501,630,2552,726,193

      Crystal Lake Park air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality134
      Days with moderate air quality221
      Days w/ poor A.Q. for sensitive groups8
      Days with unhealthy air quality2

      Crystal Lake Park air quality information

      PollutantTotal
      Arsenic0.020%
      Benzene0.070%
      Carbon Tetrachloride0.020%
      Lead0.010%
      Mercury0.010%

      Average monthly Crystal Lake Park temperature with heat index

      Crystal Lake Park monthly precipitation with daily maximum

      Crystal Lake Park monthly snow depth with daily maximum

      Crystal Lake Park monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      O'Fallon, MO88,132548.0%
      Clayton, MO16,763548.0%
      Frontenac, MO3,538548.0%
      Lemay, MO16,565548.0%
      St. Louis, MO304,709548.0%
      Crystal Lake Park, MO440548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Perdido Beach, AL4404118.0%
      Repton, AL4403726.0%
      Maynard, AR4402648.0%
      Cannondale, CT4404314.0%
      Harrison, GA440476.0%
      Crystal Lake Park, MO440548.0%
      Source: The Crystal Lake Park, MO 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.