TODAY NOV09
TEMPERATURE52
HUMIDITY71
PRESSURE101800
WIND COND.140 18.4
  • 5640Sun20%
  • 6037
  • 5844Tue
  • 6037Wed40%
  • 5737Thu
daynightWeather update from Mount Pleasant, Mount Pleasant Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Hillsboro for July is 75.1 degrees
  • The lowest monthly average temperature in Hillsboro for January is 24.7 degrees
  • The most monthly precipitation in Hillsboro occurs in May with 6.2 inches
  • The air quality index in Hillsboro is 31% better than the national average
  • The pollution index in Hillsboro is 83% better than the national average

Compare Hillsboro, IA Weather

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      Hillsboro 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
      January17°F34°F25°F0.7"
      February18°F36°F26°F2.1"
      March33°F53°F41°F4.1"
      April43°F66°F53°F4.8"
      May53°F75°F63°F6.2"
      June63°F84°F73°F5.9"
      July65°F86°F75°F5.6"
      August63°F84°F73°F2.0"
      September55°F79°F65°F4.1"
      October44°F66°F54°F6.1"
      November33°F51°F41°F3.3"
      December22°F38°F30°F3.1"

      Hillsboro 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.
      IndexHillsboroIowaNational
      Air quality index293942
      Pollution index464,3331,154,5352,726,193

      Hillsboro air quality

      MeasurementTotal
      Days measured120
      Days with good air quality101
      Days with moderate air quality19
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.320%
      Mercury0.000%

      Average monthly Hillsboro temperature with heat index

      Hillsboro monthly precipitation with daily maximum

      Hillsboro monthly snow depth with daily maximum

      Hillsboro monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Birmingham, IA5122942.0%
      Franklin, IA1752942.0%
      Salem, IA4922942.0%
      Lockridge, IA7642942.0%
      Bonaparte, IA4612942.0%
      Hillsboro, IA1872942.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Fox, AK1873824.0%
      Morristown, AZ1877448.0%
      Coffee Creek, CA1874216.0%
      Markleeville, CA1871374.0%
      Henlopen Acres, DE1873628.0%
      Hillsboro, IA1872942.0%
      Source: The Hillsboro, 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.