TODAY JUN01
TEMPERATURE89
HUMIDITY39
PRESSURE29.83
WIND COND.220 23
  • 9365Tue60%
  • 8461Wed
  • 8763Thu50%
  • 8460Fri40%
  • 8162Sat
daynightWeather update from Mason City, Mason City Municipal Airport at
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Rock 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
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 Rock Falls for July is 72 degrees.
  • The lowest monthly average temperature in Rock Falls for January is 17 degrees.
  • The most monthly precipitation in Rock Falls occurs in June with 5.4 inches.
  • The air quality index in Rock Falls is 64% better than the national average.
  • The pollution index in Rock Falls is 80% better than the national average.

Compare Rock Falls, IA Weather To Other Cities

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      Rock 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.
      IndexRock FallsIowaNational
      Air quality index183950
      Pollution index1,013,9601,643,8365,066,862

      Rock Falls 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

      Rock Falls air quality information

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

      Average monthly Rock Falls temperature with heat index

      Rock Falls monthly precipitation with daily maximum

      Rock Falls monthly snow depth with daily maximum

      Rock Falls monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Burchinal, IA531864%
      Hanlontown, IA2111864%
      Mitchell, IA1711864%
      Portland, IA271864%
      St. Ansgar, IA1,0871864%
      Rock Falls, IA1501864%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Alexander, IA1501864%
      Sedgwick, CO1502060%
      Hillsdale, OK1504412%
      Ballou, OK1503628%
      Smithfield, WV1503432%
      Rock Falls, IA1501864%
      Source: The Rock Falls, 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.