TODAY DEC23
TEMPERATURE38
HUMIDITY59
PRESSURE102370
WIND COND.150 16.6
  • 4838Mon20%
  • 4741Tue30%80%
  • 484560%20%
  • 5551Thu50%
  • 5851Fri60%40%
daynightWeather update from St. Louis Lambert International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Penrose for July is 78.8 degrees
  • The lowest monthly average temperature in Penrose for January is 32.5 degrees
  • The most monthly precipitation in Penrose occurs in April with 5.3 inches
  • The air quality index in Penrose is 28% worse than the national average
  • The pollution index in Penrose is 211% worse than the national average

Compare St. Louis, MO Weather

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      Penrose 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°F43°F32°F1.8"
      February26°F45°F34°F1.6"
      March37°F59°F47°F3.7"
      April47°F70°F58°F5.3"
      May56°F78°F67°F4.8"
      June65°F88°F76°F4.4"
      July68°F90°F79°F3.9"
      August66°F89°F77°F3.1"
      September58°F82°F69°F4.2"
      October47°F71°F58°F3.1"
      November36°F58°F46°F2.8"
      December29°F45°F36°F3.1"

      Penrose 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.
      IndexPenroseSt. LouisMissouri
      Air quality index545497
      Pollution index8,473,0508,473,0501,630,255

      Penrose air quality

      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

      Air quality details

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

      Average monthly Penrose temperature with heat index

      Penrose monthly precipitation with daily maximum

      Penrose monthly snow depth with daily maximum

      Penrose monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Concord, MO18,521548.0%
      Frontenac, MO3,538548.0%
      Lemay, MO16,565548.0%
      Sappington, MO7,161548.0%
      Centreville, IL4,946548.0%
      St. Louis, MO304,709548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      St. Paul, MN305,877468.0%
      Cincinnati, OH302,687548.0%
      Pittsburgh, PA301,2865612.0%
      Henderson, NV309,955548.0%
      Stockton, CA311,1034510.0%
      St. Louis, MO304,709548.0%
      Source: The Penrose, St. Louis, 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.