TODAY MAY31
TEMPERATURE57
HUMIDITY82
PRESSURE30.27
WIND COND.
  • 7361Sun30%20%
  • 8667Mon20%
  • 9168Tue30%
  • 8764Wed
  • 8667Thu
daynightWeather update from Audubon, Audubon County Airport at
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Harlan 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
January14°F37°F24°F0.6"
February16°F41°F27°F0.9"
March29°F56°F41°F1.5"
April40°F67°F53°F3.8"
May50°F77°F63°F5.2"
June62°F87°F74°F4.9"
July66°F91°F78°F3.1"
August64°F88°F75°F6.1"
September55°F82°F67°F3.7"
October42°F69°F54°F3.0"
November29°F55°F41°F1.0"
December17°F39°F27°F1.7"

Did you know?

  • The highest monthly average temperature in Harlan for July is 78 degrees.
  • The lowest monthly average temperature in Harlan for January is 24 degrees.
  • The most monthly precipitation in Harlan occurs in August with 6.1 inches.
  • The air quality index in Harlan is 3% better than the national average.
  • The pollution index in Harlan is 14% better than the national average.

Compare Harlan, IA Weather To Other Cities

      vs

      Harlan 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.
      IndexHarlanIowaNational
      Air quality index483950
      Pollution index4,349,9301,643,8365,066,862

      Harlan air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality197
      Days with moderate air quality164
      Days w/ poor A.Q. for sensitive groups4
      Days with unhealthy air quality

      Harlan air quality information

      PollutantTotal
      Arsenic0.210%
      Benzene0.040%
      Carbon Tetrachloride0.004%
      Lead0.100%
      Mercury0.160%

      Average monthly Harlan temperature with heat index

      Harlan monthly precipitation with daily maximum

      Harlan monthly snow depth with daily maximum

      Harlan monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Avoca, IA1,478484%
      Earling, IA443484%
      Kimballton, IA339484%
      Neola, IA978484%
      Shelby, IA654484%
      Harlan, IA5,008484%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Demarest, NJ5,007536%
      Kahaluu, HI5,0093040%
      Auburn, IL5,0063530%
      Holbrook, AZ5,0114216%
      Whiskey Creek, FL5,0113334%
      Harlan, IA5,008484%
      Source: The Harlan, 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.