TODAY MAY29
TEMPERATURE62
HUMIDITY100
PRESSURE29.97
WIND COND.200 10.3
  • 7356Sat30%
  • 7046Sun
  • 6648Mon
  • 6754Tue30%
  • 7057Wed50%30%
daynightWeather update from Groton / New London, Groton / New London Airport at
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Niantic 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"

Did you know?

  • The highest monthly average temperature in Niantic for July is 72 degrees.
  • The lowest monthly average temperature in Niantic for January is 32 degrees.
  • The most monthly precipitation in Niantic occurs in October with 4.4 inches.
  • The air quality index in Niantic is 12% better than the national average.
  • The pollution index in Niantic is 19% better than the national average.

Compare Niantic, CT Weather To Other Cities

      vs

      Niantic 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.
      IndexNianticConnecticutNational
      Air quality index444350
      Pollution index4,117,2507,127,5315,066,862

      Niantic air quality information

      MeasurementTotal
      Days measured349
      Days with good air quality234
      Days with moderate air quality109
      Days w/ poor A.Q. for sensitive groups6
      Days with unhealthy air quality

      Niantic air quality information

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

      Average monthly Niantic temperature with heat index

      Niantic monthly precipitation with daily maximum

      Niantic monthly snow depth with daily maximum

      Niantic monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Groton, CT9,2404412%
      Moodus, CT1,2024412%
      Old Mystic, CT3,4034412%
      Saybrook Manor, CT1,1934412%
      Fishers Island, NY3034412%
      Niantic, CT3,0424412%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Girard, PA3,042484%
      Soperton, GA3,0423236%
      Welch, WV3,043295490%
      Orchard City, CO3,0434118%
      Parker, AZ3,0431864%
      Niantic, CT3,0424412%
      Source: The Niantic, 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.