TODAY MAY19
TEMPERATURE70
HUMIDITY53
PRESSURE101520
WIND COND.
  • 8157Mon
  • 8660Tue30%
  • 8863Wed30%
  • 8252Thu40%50%
  • 7046Fri
daynightWeather update from St. Johnsbury - Fairbanks at
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Weather Quick Facts

  • The highest monthly average temperature in Groton for July is 68.4 degrees
  • The lowest monthly average temperature in Groton for January is 18.4 degrees
  • The most monthly precipitation in Groton occurs in July with 5.6 inches
  • The air quality index in Groton is 19% better than the national average
  • The pollution index in Groton is 53% better than the national average

Compare Groton, VT Weather

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      Groton 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
      January10°F27°F18°F2.4"
      February11°F30°F20°F2.7"
      March20°F39°F29°F2.6"
      April34°F55°F43°F3.5"
      May45°F68°F56°F4.4"
      June54°F75°F64°F5.1"
      July59°F79°F68°F5.6"
      August57°F77°F66°F4.5"
      September50°F70°F59°F3.4"
      October40°F57°F48°F5.2"
      November29°F45°F36°F3.0"
      December19°F32°F25°F4.1"

      Groton 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.
      IndexGrotonVermontNational
      Air quality index343642
      Pollution index1,278,4301,478,7722,726,193

      Groton air quality information

      MeasurementTotal
      Days measured365
      Days with good air quality328
      Days with moderate air quality37
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Groton air quality information

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.001%

      Average monthly Groton temperature with heat index

      Groton monthly precipitation with daily maximum

      Groton monthly snow depth with daily maximum

      Groton monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      North Haverhill, NH1,1553432.0%
      Wells River, VT4093432.0%
      Graniteville, VT9073432.0%
      Woodsville, NH1,1523432.0%
      Barre, VT8,5903432.0%
      Groton, VT5693432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Otis, CO5694510.0%
      Hecker, IL569548.0%
      Bertha, MN5692942.0%
      Ringwood, OK5694020.0%
      Adams, OR5693824.0%
      Groton, VT5693432.0%
      Source: The Groton, VT 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.