TODAY DEC22
TEMPERATURE
HUMIDITY72
PRESSURE102170
WIND COND.170 18.4
  • 5232Mon
  • 4932Tue
  • 503720%
  • 5238Thu40%30%
  • 5236Fri20%30%
daynightWeather update from Topeka, Philip Billard Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in St. Marys for July is 80.1 degrees
  • The lowest monthly average temperature in St. Marys for January is 30.6 degrees
  • The most monthly precipitation in St. Marys occurs in May with 5.6 inches
  • The air quality index in St. Marys is 3% better than the national average
  • The pollution index in St. Marys is 89% better than the national average

Compare St. Marys, KS Weather

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      St. Marys 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
      January19°F45°F31°F1.0"
      February22°F49°F34°F1.5"
      March34°F62°F47°F2.6"
      April44°F71°F57°F4.2"
      May53°F79°F66°F5.6"
      June65°F89°F77°F5.5"
      July68°F93°F80°F4.4"
      August66°F91°F78°F5.2"
      September57°F84°F69°F4.4"
      October44°F73°F57°F3.3"
      November33°F61°F46°F1.6"
      December22°F46°F33°F1.8"

      St. Marys 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.
      IndexSt. MarysKansasNational
      Air quality index414742
      Pollution index308,193989,1532,726,193

      St. Marys air quality

      MeasurementTotal
      Days measured365
      Days with good air quality294
      Days with moderate air quality70
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality1

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      Average monthly St. Marys temperature with heat index

      St. Marys monthly precipitation with daily maximum

      St. Marys monthly snow depth with daily maximum

      St. Marys monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Paxico, KS2393236.0%
      Louisville, KS1403236.0%
      Alma, KS9193236.0%
      McFarland, KS3633236.0%
      Belvue, KS1243236.0%
      St. Marys, KS2,7154118.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bicknell, IN2,715198.0%
      Plainsboro Center, NJ2,7154118.0%
      Healdton, OK2,7154314.0%
      Moonachie, NJ2,714512.0%
      Panhandle, TX2,7144412.0%
      St. Marys, KS2,7154118.0%
      Source: The St. Marys, KS 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.