TODAY AUG15
TEMPERATURE75
HUMIDITY94
PRESSURE29.94
WIND COND.150 5.8
  • 8171Wed70%70%
  • 8670Thu30%20%
  • 8970Fri60%
  • 8770Sat20%20%
  • 8771Sun30%
daynightWeather update from St. Louis, Spirit Of St. Louis Airport at

Des Peres Average Weather

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"

Did you know?

  • The highest monthly average temperature in Des Peres for July is 81 degrees.
  • The lowest monthly average temperature in Des Peres for January is 33 degrees.
  • The most monthly precipitation in Des Peres occurs in April with 5.4 inches.
  • The air quality index in Des Peres is 20% worse than the national average.
  • The pollution index in Des Peres is 67% worse than the national average.

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Compare Des Peres, MO Weather To Other Cities

Des Peres 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.
IndexDes PeresMissouriNational
Air quality index609750
Pollution index8,473,0502,360,5665,066,862

Des Peres air quality information

MeasurementTotal
Days measured365
Days with good air quality99
Days with moderate air quality231
Days w/ poor A.Q. for sensitive groups33
Days with unhealthy air quality2

Des Peres air quality information

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

Average monthly Des Peres temperature with heat index

Des Peres monthly precipitation with daily maximum

Des Peres monthly snow depth with daily maximum

Des Peres monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Columbia, IL10,1936020%
Arnold, MO21,1966020%
Bel-Nor, MO1,3936020%
Black Jack, MO6,9566020%
Byrnes Mill, MO2,8476020%
Des Peres, MO8,5076020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Tuscumbia, AL8,5063530%
Winchester, TN8,5043726%
Itasca, IL8,5026020%
Jerseyville, IL8,5026020%
Live Oak city, CA8,5013628%
Des Peres, MO8,5076020%
Source: The Des Peres, 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.