TODAY MAY28
TEMPERATURE73
HUMIDITY44
PRESSURE29.95
WIND COND.360 11.4
  • 6748Fri
  • 6946Sat
  • 7255Sun
  • 7865Mon30%
  • 8966Tue
daynightWeather update from Mason City, Mason City Municipal Airport at
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Clear Lake 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
January9°F25°F17°F0.7"
February11°F29°F20°F1.1"
March25°F44°F34°F2.2"
April36°F60°F47°F5.1"
May48°F71°F59°F5.0"
June58°F81°F69°F5.4"
July61°F84°F72°F4.2"
August59°F82°F70°F4.0"
September51°F76°F62°F4.3"
October38°F62°F49°F2.7"
November26°F47°F36°F1.5"
December13°F29°F21°F1.4"

Did you know?

  • The highest monthly average temperature in Clear Lake for July is 72 degrees.
  • The lowest monthly average temperature in Clear Lake for January is 17 degrees.
  • The most monthly precipitation in Clear Lake occurs in June with 5.4 inches.
  • The air quality index in Clear Lake is 64% better than the national average.
  • The pollution index in Clear Lake is 71% better than the national average.

Compare Clear Lake, IA Weather To Other Cities

      vs

      Clear Lake 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.
      IndexClear LakeIowaNational
      Air quality index183950
      Pollution index1,444,3801,643,8365,066,862

      Clear Lake air quality information

      MeasurementTotal
      Days measured334
      Days with good air quality332
      Days with moderate air quality2
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Clear Lake air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.040%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.001%

      Average monthly Clear Lake temperature with heat index

      Clear Lake monthly precipitation with daily maximum

      Clear Lake monthly snow depth with daily maximum

      Clear Lake monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Garner, IA3,0911864%
      Leland, IA2471864%
      Plymouth, IA3441864%
      Swaledale, IA1811864%
      Burchinal, IA531864%
      Clear Lake, IA7,6441864%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Gettysburg, PA7,6434314%
      Ivins, UT7,6464118%
      Summit, WA7,6463138%
      Laughlin, NV7,6411864%
      Burton, SC7,6483432%
      Clear Lake, IA7,6441864%
      Source: The Clear Lake, IA 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.