TODAY NOV21
TEMPERATURE37
HUMIDITY56
PRESSURE102000
WIND COND.290 25.9
  • 4828Fri
  • 5741Sat
  • 6642Sun
  • 5226Mon
  • 4429Tue
daynightWeather update from Kaiser Lake Ozark, Lee C Fine Memorial Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Olean for August is 79.9 degrees
  • The lowest monthly average temperature in Olean for January is 33.7 degrees
  • The most monthly precipitation in Olean occurs in August with 21.2 inches
  • The air quality index in Olean is 7% better than the national average
  • The pollution index in Olean is 71% better than the national average

Compare Olean, MO Weather

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      Olean 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
      January27°F44°F34°F11.5"
      February27°F48°F36°F4.3"
      March37°F62°F48°F2.8"
      April45°F68°F55°F12.1"
      May55°F80°F66°F4.6"
      June64°F87°F74°F20.3"
      July66°F91°F78°F2.7"
      August70°F93°F80°F21.2"
      September61°F84°F71°F6.9"
      October49°F72°F58°F3.8"
      November37°F61°F47°F3.2"
      December27°F44°F34°F3.3"

      Olean 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.
      IndexOleanMissouriNational
      Air quality index399742
      Pollution index803,1861,630,2552,726,193

      Olean air quality

      MeasurementTotal
      Days measured245
      Days with good air quality238
      Days with moderate air quality7
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.010%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.000%

      Average monthly Olean temperature with heat index

      Olean monthly precipitation with daily maximum

      Olean monthly snow depth with daily maximum

      Olean monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Tuscumbia, MO1623922.0%
      Barnett, MO2263922.0%
      Lohman, MO2103922.0%
      Lake Ozark, MO2,3173922.0%
      Eldon, MO4,6713922.0%
      Olean, MO683922.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Ekwok, AK683138.0%
      Union Grove, AL684412.0%
      Anthonyville, AR684510.0%
      Marie, AR684510.0%
      Keddie, CA68468.0%
      Olean, MO683922.0%
      Source: The Olean, 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.