TODAY MAY18
TEMPERATURE62
HUMIDITY80
PRESSURE30.1
WIND COND.100 9.4
  • 6562Tue90%40%
  • 7665Wed40%60%
  • 7966Thu30%60%
  • 8065Fri40%40%
  • 8467Sat30%
daynightWeather update from Iowa City, Iowa City Municipal Airport at

Key findings

  • The highest monthly average temperature in Tiffin for July is 75.4 degrees
  • The lowest monthly average temperature in Tiffin for January is 22.5 degrees
  • The most monthly precipitation in Tiffin occurs in June with 6.1 inches
  • The air quality index in Tiffin is 30% better than the national average
  • The pollution index in Tiffin is equal to the national average

Compare Tiffin, IA Weather

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      Tiffin 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
      January15°F32°F23°F1.0"
      February17°F35°F25°F1.1"
      March30°F51°F39°F2.4"
      April41°F64°F52°F4.8"
      May51°F74°F62°F4.6"
      June62°F84°F73°F6.1"
      July66°F86°F75°F4.7"
      August64°F84°F73°F4.5"
      September55°F78°F66°F3.3"
      October43°F65°F53°F3.3"
      November31°F51°F40°F1.9"
      December19°F35°F27°F1.9"

      Tiffin 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.
      IndexTiffinIowaNational
      Air quality index353950
      Pollution index5,075,3801,643,8365,066,862

      Tiffin air quality information

      MeasurementTotal
      Days measured364
      Days with good air quality278
      Days with moderate air quality86
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Tiffin air quality information

      PollutantTotal
      Arsenic0.070%
      Benzene0.050%
      Carbon Tetrachloride2.000%
      Lead0.040%
      Mercury0.100%

      Average monthly Tiffin temperature with heat index

      Tiffin monthly precipitation with daily maximum

      Tiffin monthly snow depth with daily maximum

      Tiffin monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      North Liberty, IA16,9843530%
      Hills, IA7303530%
      Solon, IA2,3993530%
      Oxford, IA8743530%
      Coralville, IA20,0783530%
      Tiffin, IA2,5303530%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Prudhoe Bay, AK2,5303824%
      Indian Springs Village, AL2,529536%
      Lockport, LA2,5284118%
      Bayou La Batre, AL2,5323236%
      Turley, OK2,5284510%
      Tiffin, IA2,5303530%
      Source: The Tiffin, 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.