TODAY MAY31
TEMPERATURE66
HUMIDITY46
PRESSURE30.31
WIND COND. 5.8
  • 8267Mon20%
  • 9066Tue50%
  • 8460Wed40%20%
  • 8464Thu
  • 8363Fri30%40%
daynightWeather update from Decorah at
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St. Lucas 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
January13°F27°F19°F0.5"
February14°F29°F21°F0.4"
March29°F45°F36°F1.5"
April40°F59°F48°F3.4"
May50°F70°F60°F2.9"
June61°F79°F69°F4.3"
July65°F82°F73°F3.9"
August62°F79°F70°F4.0"
September54°F73°F63°F3.4"
October43°F61°F51°F3.0"
November31°F47°F38°F1.0"
December18°F31°F24°F0.9"

Did you know?

  • The highest monthly average temperature in St. Lucas for July is 73 degrees.
  • The lowest monthly average temperature in St. Lucas for January is 19 degrees.
  • The most monthly precipitation in St. Lucas occurs in June with 4.3 inches.
  • The air quality index in St. Lucas is 14% better than the national average.
  • The pollution index in St. Lucas is 90% better than the national average.

Compare St. Lucas, IA Weather To Other Cities

      vs

      St. Lucas 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.
      IndexSt. LucasIowaNational
      Air quality index433950
      Pollution index530,4841,643,8365,066,862

      St. Lucas air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality240
      Days with moderate air quality122
      Days w/ poor A.Q. for sensitive groups3
      Days with unhealthy air quality

      St. Lucas air quality information

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

      Average monthly St. Lucas temperature with heat index

      St. Lucas monthly precipitation with daily maximum

      St. Lucas monthly snow depth with daily maximum

      St. Lucas monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Castalia, IA1884020%
      Hawkeye, IA4964314%
      Protivin, IA2564314%
      Waucoma, IA2334314%
      Clermont, IA5564314%
      St. Lucas, IA1634314%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Elberta, MI1633628%
      Olmito and Olmito, TX1633628%
      Rickardsville, IA1633236%
      Waitsfield, VT1633628%
      Jette, MT1633824%
      St. Lucas, IA1634314%
      Source: The St. Lucas, 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.