TODAY DEC22
TEMPERATURE30
HUMIDITY69
PRESSURE102850
WIND COND.140 13
  • 3731Mon30%50%
  • 3833Tue30%
  • 413840%40%
  • 4942Thu
  • 5346Fri40%50%
daynightWeather update from Rochester Fulton County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Roann for July is 74 degrees
  • The lowest monthly average temperature in Roann for January is 26.2 degrees
  • The most monthly precipitation in Roann occurs in August with 10.2 inches
  • The air quality index in Roann is 12% better than the national average
  • The pollution index in Roann is 34% better than the national average

Compare Roann, IN Weather

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      Roann 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
      January19°F34°F26°F4.3"
      February19°F36°F27°F4.1"
      March32°F51°F41°F5.8"
      April41°F65°F52°F7.7"
      May52°F74°F63°F7.7"
      June61°F82°F72°F10.1"
      July64°F84°F74°F6.8"
      August62°F83°F72°F10.2"
      September55°F77°F66°F6.2"
      October44°F66°F54°F5.8"
      November33°F52°F42°F6.4"
      December24°F39°F31°F4.7"

      Roann 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.
      IndexRoannIndianaNational
      Air quality index375642
      Pollution index1,806,4002,719,4532,726,193

      Roann air quality

      MeasurementTotal
      Days measured351
      Days with good air quality319
      Days with moderate air quality32
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.030%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.100%
      Mercury0.010%

      Average monthly Roann temperature with heat index

      Roann monthly precipitation with daily maximum

      Roann monthly snow depth with daily maximum

      Roann monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Sidney, IN643138.0%
      Peru, IN11,3693726.0%
      Macy, IN1843726.0%
      Onward, IN1713726.0%
      Wabash, IN10,0173726.0%
      Roann, IN3403726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      St. Michael, AK3403138.0%
      Cazadero, CA3403432.0%
      Chilcoot-Vinton, CA340468.0%
      St. Marks, FL3404020.0%
      Ryan, IA3403922.0%
      Roann, IN3403726.0%
      Source: The Roann, IN 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.