TODAY AUG18
TEMPERATURE89
HUMIDITY52
PRESSURE29.95
WIND COND.320 6.9
  • 8771Sun40%
  • 8467Mon60%60%
  • 8161Tue
  • 8159Wed
  • 8361Thu
daynightWeather update from St. Louis Downtown Airport at

Festus 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
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 Festus for August is 79 degrees.
  • The lowest monthly average temperature in Festus for February is 33 degrees.
  • The most monthly precipitation in Festus occurs in January with 11.3 inches.
  • The air quality index in Festus is 20% worse than the national average.
  • The pollution index in Festus is 85% better than the national average.

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Compare Festus, MO Weather To Other Cities

Festus 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.
IndexFestusMissouriNational
Air quality index609750
Pollution index753,4732,360,5665,066,862

Festus 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

Festus air quality information

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

Average monthly Festus temperature with heat index

Festus monthly precipitation with daily maximum

Festus monthly snow depth with daily maximum

Festus monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Valmeyer, IL1,1846020%
Bloomsdale, MO5686020%
De Soto, MO6,4666020%
Imperial, MO4,6846020%
Pevely, MO5,6166020%
Festus, MO11,9296020%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Plano, IL11,929198%
Robertsville, NJ11,9304020%
Guymon, OK11,9344020%
Morgan City, LA11,9363432%
Buda, TX11,9364118%
Festus, MO11,9296020%
Source: The Festus, 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.