TODAY AUG21
TEMPERATURE77
HUMIDITY71
PRESSURE29.81
WIND COND.210 15
  • 8162Tue20%
  • 7858Wed
  • 8162Thu
  • 8169Fri60%40%
  • 9172Sat20%
daynightWeather update from St. Charles, St. Charles County Smartt Airport at

Portage Des Sioux 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
January22°F41°F31°F1.5"
February23°F44°F33°F1.7"
March36°F59°F46°F3.1"
April46°F70°F57°F5.1"
May56°F78°F66°F4.4"
June66°F87°F76°F4.8"
July68°F90°F78°F4.4"
August66°F88°F77°F3.9"
September58°F81°F69°F4.0"
October46°F70°F57°F3.0"
November36°F57°F45°F2.6"
December27°F44°F35°F3.2"

Did you know?

  • The highest monthly average temperature in Portage Des Sioux for July is 78 degrees.
  • The lowest monthly average temperature in Portage Des Sioux for January is 31 degrees.
  • The most monthly precipitation in Portage Des Sioux occurs in April with 5.1 inches.
  • The air quality index in Portage Des Sioux is 20% worse than the national average.
  • The pollution index in Portage Des Sioux is 75% worse than the national average.

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Compare Portage Des Sioux, MO Weather To Other Cities

Portage Des Sioux 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.
IndexPortage Des SiouxMissouriNational
Air quality index609750
Pollution index8,870,2302,360,5665,066,862

Portage Des Sioux 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

Portage Des Sioux air quality information

PollutantTotal
Arsenic0.180%
Benzene0.060%
Carbon Tetrachloride0.020%
Lead0.030%
Mercury0.120%

Average monthly Portage Des Sioux temperature with heat index

Portage Des Sioux monthly precipitation with daily maximum

Portage Des Sioux monthly snow depth with daily maximum

Portage Des Sioux monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Alton, IL27,1756020%
Elsah, IL7466020%
Hartford, IL1,5696020%
Rosewood Heights, IL4,0116020%
Bel-Ridge, MO2,7106020%
Portage Des Sioux, MO3676020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Artesia, MS3673530%
Fontanet, IN36750= 100
Seymour, IL3673628%
Amana, IA3674216%
Bostic, NC3673628%
Portage Des Sioux, MO3676020%
Source: The Portage Des Sioux, 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.