TODAY APR20
TEMPERATURE
HUMIDITY
PRESSURE102300
WIND COND.200 5.4
  • 6137Sat
  • 6237Sun
  • 7051Mon
  • 7246Tue20%50%
  • 6944Wed
daynightWeather update from St. Louis, Spirit Of St. Louis Airport at
New Real Estate Listings in Byrnes Mill Area
Search Homes for Sale in Byrnes Mill, MO

Weather Quick Facts

  • The highest monthly average temperature in Byrnes Mill for July is 78.7 degrees
  • The lowest monthly average temperature in Byrnes Mill for January is 32.1 degrees
  • The most monthly precipitation in Byrnes Mill occurs in April with 5.3 inches
  • The air quality index in Byrnes Mill is 28% worse than the national average
  • The pollution index in Byrnes Mill is 211% worse than the national average

Compare Byrnes Mill, MO Weather

      vs
      How would you rate the weather in Byrnes Mill?
      Write a review to give others more information about this area.
      How would you rate the air quality in Byrnes Mill?
      Write a review to give others more information about this area.
      See all Byrnes Mill poll results

      Byrnes Mill 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
      January23°F44°F32°F2.1"
      February25°F46°F35°F1.8"
      March36°F60°F47°F3.7"
      April46°F71°F58°F5.3"
      May55°F78°F66°F4.5"
      June65°F87°F76°F4.8"
      July68°F90°F79°F2.9"
      August66°F89°F77°F3.4"
      September58°F82°F69°F3.9"
      October46°F70°F57°F3.0"
      November36°F59°F46°F2.8"
      December27°F45°F35°F3.1"

      Byrnes Mill 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.
      IndexByrnes MillMissouriNational
      Air quality index549742
      Pollution index8,473,0501,630,2552,726,193

      Byrnes Mill 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

      Byrnes Mill air quality information

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

      Average monthly Byrnes Mill temperature with heat index

      Byrnes Mill monthly precipitation with daily maximum

      Byrnes Mill monthly snow depth with daily maximum

      Byrnes Mill monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Crystal Lake Park, MO440548.0%
      Ladue, MO8,631548.0%
      Richmond Heights, MO8,581548.0%
      Affton, MO19,580548.0%
      Twin Oaks, MO520548.0%
      Byrnes Mill, MO2,983548.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Versailles, MO2,9833922.0%
      Tularosa, NM2,9831080.0%
      Walsenburg, CO2,9822060.0%
      De Leon Springs, FL2,9823726.0%
      Nocona, TX2,9824314.0%
      Byrnes Mill, MO2,983548.0%
      Source: The Byrnes Mill, 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.