TODAY NOV21
TEMPERATURE48
HUMIDITY96
PRESSURE99660
WIND COND.30 22.3
  • 4939Fri70%
  • 4942Sat60%40%
  • 5039Sun
  • 5345Mon
  • 5537Tue40%
daynightWeather update from Groton / New London, Groton / New London Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Groton Long Point for July is 72.2 degrees
  • The lowest monthly average temperature in Groton Long Point for January is 31.5 degrees
  • The most monthly precipitation in Groton Long Point occurs in October with 4.4 inches
  • The air quality index in Groton Long Point is 12% better than the national average
  • The pollution index in Groton Long Point is 51% worse than the national average

Compare Groton Long Point, CT Weather

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      Groton Long Point 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
      January23°F40°F32°F2.5"
      February23°F40°F32°F2.1"
      March30°F47°F38°F3.3"
      April39°F58°F48°F3.1"
      May48°F66°F57°F3.6"
      June58°F75°F66°F3.6"
      July65°F81°F72°F2.8"
      August63°F80°F71°F3.0"
      September57°F75°F66°F3.3"
      October47°F65°F56°F4.4"
      November37°F55°F46°F2.9"
      December29°F46°F37°F3.4"

      Groton Long Point 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.
      IndexGroton Long PointConnecticutNational
      Air quality index374342
      Pollution index4,117,2508,629,8832,726,193

      Groton Long Point air quality

      MeasurementTotal
      Days measured364
      Days with good air quality323
      Days with moderate air quality34
      Days w/ poor A.Q. for sensitive groups7
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.010%

      Average monthly Groton Long Point temperature with heat index

      Groton Long Point monthly precipitation with daily maximum

      Groton Long Point monthly snow depth with daily maximum

      Groton Long Point monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Fishers Island, NY613726.0%
      Conning Towers Nautilus Park, CT9,6063726.0%
      Ashaway, RI1,4443726.0%
      New London, CT27,0013726.0%
      Long Hill, CT8,3153726.0%
      Groton Long Point, CT4363726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Perrytown, AR4363922.0%
      Yarborough Landing, AR4363922.0%
      Basalt, ID4362746.0%
      Axtell, KS4363236.0%
      Newport, NY4362746.0%
      Groton Long Point, CT4363726.0%
      Source: The Groton Long Point, CT 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.