TODAY NOV21
TEMPERATURE43
HUMIDITY79
PRESSURE101390
WIND COND.150 18.4
  • 4932Fri90%90%
  • 4126Sat80%20%
  • 4030Sun40%
  • 4331Mon
  • 4228Tue
daynightWeather update from Klamath Falls International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Klamath Falls for July is 68.9 degrees
  • The lowest monthly average temperature in Klamath Falls for December is 29.3 degrees
  • The most monthly precipitation in Klamath Falls occurs in December with 1.9 inches
  • The air quality index in Klamath Falls is 31% better than the national average
  • The pollution index in Klamath Falls is 21% worse than the national average

Compare Klamath Falls, OR Weather

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      Klamath Falls 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
      January20°F41°F30°F1.2"
      February24°F47°F35°F1.2"
      March28°F53°F39°F1.2"
      April29°F59°F43°F0.9"
      May36°F68°F52°F1.0"
      June42°F77°F60°F0.7"
      July49°F87°F69°F0.3"
      August46°F86°F66°F0.3"
      September39°F79°F58°F0.2"
      October32°F64°F47°F0.9"
      November27°F50°F37°F1.3"
      December20°F40°F29°F1.9"

      Klamath Falls 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.
      IndexKlamath FallsOregonNational
      Air quality index293242
      Pollution index3,300,2507,156,3562,726,193

      Klamath Falls air quality

      MeasurementTotal
      Days measured365
      Days with good air quality261
      Days with moderate air quality98
      Days w/ poor A.Q. for sensitive groups6
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.060%
      Carbon Tetrachloride0.000%
      Lead0.020%
      Mercury0.005%

      Average monthly Klamath Falls temperature with heat index

      Klamath Falls monthly precipitation with daily maximum

      Klamath Falls monthly snow depth with daily maximum

      Klamath Falls monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Altamont, OR18,9822942.0%
      Merrill, OR6972942.0%
      Klamath Falls, OR21,5092942.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Biddeford, ME21,5024020.0%
      Anniston, AL21,5183824.0%
      Darien, CT21,5194314.0%
      Ramona, CA21,4936428.0%
      Varennes, QC21,490n/a 
      Klamath Falls, OR21,5092942.0%
      Source: The Klamath Falls, OR 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.