TODAY JUL21
TEMPERATURE92
HUMIDITY36
PRESSURE29.78
WIND COND.
  • 8870Sat
  • 8469Sun
  • 8769Mon
  • 8971Tue
  • 9070Wed
daynightWeather update from St. Louis, Lambert-St. Louis International Airport at

Hanley Hills 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
January0°F73°F34°F3.2"
February5°F75°F35°F2.3"
March14°F83°F48°F3.7"
April23°F92°F57°F3.4"
May38°F93°F67°F4.7"
June53°F98°F77°F3.9"
July59°F103°F79°F4.1"
August54°F106°F79°F2.4"
September45°F95°F71°F4.3"
October28°F94°F58°F4.1"
November18°F82°F48°F2.8"
December3°F69°F35°F3.5"

Did you know?

  • The highest monthly average temperature in Hanley Hills for August is 79 degrees.
  • The lowest monthly average temperature in Hanley Hills for January is 34 degrees.
  • The most monthly precipitation in Hanley Hills occurs in May with 4.7 inches.
  • The air quality index in Hanley Hills is 20% worse than the national average.
  • The pollution index in Hanley Hills is 67% worse than the national average.

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Compare Hanley Hills, MO Weather To Other Cities

Hanley Hills 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.
IndexHanley HillsMissouriNational
Air quality index609750
Pollution index8,473,0502,360,5665,066,862

Hanley Hills 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

Hanley Hills air quality information

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

Average monthly Hanley Hills temperature with heat index

Hanley Hills monthly precipitation with daily maximum

Hanley Hills monthly snow depth with daily maximum

Hanley Hills monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Brooklyn, IL7406020%
East Alton, IL6,1716020%
Granite City, IL29,6626020%
Pontoon Beach, IL5,7536020%
Venice, IL1,8986020%
Hanley Hills, MO2,0266020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
St. Pauls, NC2,0263040%
Lavallette, NJ2,0264020%
Hughesville, PA2,0263138%
Gold Bar, WA2,026492%
Ontario, NY2,0263628%
Hanley Hills, MO2,0266020%
Source: The Hanley Hills, 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.