TODAY MAR19
TEMPERATURE28
HUMIDITY74
PRESSURE102300
WIND COND.
  • 5438Tue
  • 6334Wed
  • 5844Thu
  • 6042Fri40%30%
  • 6239Sat
daynightWeather update from Portland Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Lafayette for July is 78.3 degrees
  • The lowest monthly average temperature in Lafayette for January is 38.3 degrees
  • The most monthly precipitation in Lafayette occurs in July with 11.5 inches
  • The air quality index in Lafayette is 2% worse than the national average
  • The pollution index in Lafayette is 88% better than the national average

Compare Lafayette, TN Weather

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      Lafayette 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
      January31°F48°F38°F4.8"
      February32°F52°F41°F4.3"
      March41°F63°F51°F6.5"
      April48°F71°F59°F8.3"
      May56°F78°F66°F10.7"
      June64°F87°F75°F7.3"
      July69°F90°F78°F11.5"
      August66°F90°F77°F6.7"
      September59°F83°F70°F9.7"
      October47°F72°F59°F6.5"
      November38°F61°F49°F8.4"
      December32°F50°F40°F7.8"

      Lafayette 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.
      IndexLafayetteTennesseeNational
      Air quality index437642
      Pollution index313,6642,454,9162,726,193

      Lafayette air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality268
      Days with moderate air quality97
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Lafayette air quality information

      PollutantTotal
      Arsenic0.000%
      Benzene0.010%
      Carbon Tetrachloride0.001%
      Lead0.003%
      Mercury0.000%

      Average monthly Lafayette temperature with heat index

      Lafayette monthly precipitation with daily maximum

      Lafayette monthly snow depth with daily maximum

      Lafayette monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Gamaliel, KY2742550.0%
      Red Boiling Springs, TN1,7852550.0%
      Bransford, TN2694314.0%
      Fountain Run, KY3284314.0%
      Westmoreland, TN2,6224314.0%
      Lafayette, TN5,2394314.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Odessa, MO5,240476.0%
      Chain Lake, WA5,2374510.0%
      Mocksville, NC5,2414020.0%
      Elverta, CA5,235524.0%
      The Meadows, FL5,2353824.0%
      Lafayette, TN5,2394314.0%
      Source: The Lafayette, TN 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.