TODAY DEC06
TEMPERATURE48
HUMIDITY71
PRESSURE30.09
WIND COND.340 12.8
  • 5036Sat
  • 5746Sun
  • 5724Mon40%30%
  • 3619Tue
  • 3720Wed
daynightWeather update from St. Louis Downtown Airport at
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Crystal City 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
January28°F43°F35°F11.3"
February26°F43°F33°F3.1"
March39°F61°F49°F5.3"
April45°F68°F56°F5.9"
May56°F80°F68°F4.4"
June65°F88°F76°F4.0"
July67°F88°F77°F9.1"
August69°F91°F79°F7.4"
September60°F84°F71°F8.8"
October48°F72°F59°F4.0"
November37°F59°F47°F8.5"
December27°F42°F34°F3.1"

Did you know?

  • The highest monthly average temperature in Crystal City for August is 79 degrees.
  • The lowest monthly average temperature in Crystal City for February is 33 degrees.
  • The most monthly precipitation in Crystal City occurs in January with 11.3 inches.
  • The air quality index in Crystal City is 21% worse than the national average.
  • The pollution index in Crystal City is 85% better than the national average.

Compare Crystal City, MO Weather To Other Cities

Crystal City 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.
IndexCrystal CityMissouriNational
Air quality index609750
Pollution index753,4732,360,5665,066,862

Crystal City 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

Crystal City air quality information

PollutantTotal
Arsenic0.001%
Benzene0.010%
Carbon Tetrachloride0.001%
Lead0.020%
Mercury0.020%

Average monthly Crystal City temperature with heat index

Crystal City monthly precipitation with daily maximum

Crystal City monthly snow depth with daily maximum

Crystal City monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Maeystown, IL1386020%
Barnhart, MO6,1256020%
De Soto, MO6,4666020%
Horine, MO1,1706020%
Pevely, MO5,6166020%
Crystal City, MO4,8416020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Chain Lake, WA4,840492%
Rio Bravo, TX4,8423824%
Luray, VA4,8423334%
Homestead Meadows North, TX4,840512%
Utica, MI4,838524%
Crystal City, MO4,8416020%
Source: The Crystal City, 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.
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