TODAY OCT15
TEMPERATURE47
HUMIDITY53
PRESSURE30.37
WIND COND.260 5.8
  • 6138Tue
  • 6037Wed
  • 5946Thu
  • 6540Fri
  • 6038Sat
daynightWeather update from Topeka, Philip Billard Municipal Airport at
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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"

Did you know?

  • The highest monthly average temperature in St. Marys for July is 80 degrees.
  • The lowest monthly average temperature in St. Marys for January is 31 degrees.
  • The most monthly precipitation in St. Marys occurs in May with 5.6 inches.
  • The air quality index in St. Marys is 27% better than the national average.
  • The pollution index in St. Marys is 93% better than the national average.

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Compare St. Marys, KS Weather To Other Cities

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 index364750
Pollution index308,193850,2045,066,862

St. Marys air quality information

MeasurementTotal
Days measured365
Days with good air quality330
Days with moderate air quality35
Days w/ poor A.Q. for sensitive groups
Days with unhealthy air quality

St. Marys air quality information

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

City, StatePopulationAir Quality IndexNational Avg.
Alma, KS8593236%
Louisville, KS2513236%
Belvue, KS2663236%
McFarland, KS4373236%
Wamego, KS4,5113236%
St. Marys, KS2,7933628%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
England, AR2,793476%
Knoxville, IL2,793484%
Elkton, VA2,7933334%
Hopkinton, MA2,7943824%
DeCordova, TX2,7943334%
St. Marys, KS2,7933628%
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.