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Key findings

  • The highest monthly average temperature in Watertown for July is 80.1 degrees
  • The lowest monthly average temperature in Watertown for January is 38.9 degrees
  • The most monthly precipitation in Watertown occurs in May with 7.2 inches
  • The air quality index in Watertown is 50% better than the national average
  • The pollution index in Watertown is 74% better than the national average

Compare Watertown, TN Weather

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      Watertown 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
      January30°F50°F39°F5.2"
      February32°F53°F41°F4.8"
      March41°F65°F51°F5.1"
      April49°F75°F61°F6.6"
      May57°F82°F69°F7.2"
      June66°F91°F78°F4.1"
      July69°F93°F80°F5.1"
      August68°F93°F80°F5.5"
      September61°F86°F72°F5.9"
      October49°F75°F60°F5.5"
      November38°F63°F49°F6.2"
      December33°F54°F43°F6.9"

      Watertown 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.
      IndexWatertownTennesseeNational
      Air quality index257650
      Pollution index699,7522,454,9162,726,193

      Watertown air quality information

      MeasurementTotal
      Days measured360
      Days with good air quality351
      Days with moderate air quality9
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Watertown air quality information

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

      Average monthly Watertown temperature with heat index

      Watertown monthly precipitation with daily maximum

      Watertown monthly snow depth with daily maximum

      Watertown monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Alexandria, TN1,1062550.0%
      Dowelltown, TN3992550.0%
      Auburntown, TN2852550.0%
      Gordonsville, TN1,5342550.0%
      Liberty, TN3052550.0%
      Watertown, TN1,4122550.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      St. Anne, IL1,4125510.0%
      Clara City, MN1,4123236.0%
      Bloomfield, NY1,4123726.0%
      Brewster Hill, NY1,4123628.0%
      Langston, OK1,412484.0%
      Watertown, TN1,4122550.0%
      Source: The Watertown, 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.