TODAY JUL16
TEMPERATURE72
HUMIDITY84
PRESSURE29.95
WIND COND.240 5.8
  • 8172Mon
  • 7868Tue30%70%
  • 7864Wed70%
  • 7664Thu
  • 7767Fri
daynightWeather update from Groton / New London, Groton / New London Airport at

New London Average Weather

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
January2°F57°F33°Fn/a
February9°F55°F33°Fn/a
March8°F60°F37°Fn/a
April30°F74°F47°Fn/a
May39°F80°F55°Fn/a
June47°F86°F64°Fn/a
July55°F87°F69°Fn/a
August56°F86°F71°Fn/a
September48°F82°F66°Fn/a
October35°F75°F57°Fn/a
November22°F67°F47°Fn/a
December13°F62°F37°Fn/a

Did you know?

  • The highest monthly average temperature in New London for August is 71 degrees.
  • The lowest monthly average temperature in New London for February is 33 degrees.
  • The most monthly precipitation in New London occurs in January with 0 inches.
  • The air quality index in New London is 11% better than the national average.
  • The pollution index in New London is 18% better than the national average.

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Compare New London, CT Weather To Other Cities

New London 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.
IndexNew LondonConnecticutNational
Air quality index444350
Pollution index4,117,2507,127,5315,066,862

New London 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

New London air quality information

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

Average monthly New London temperature with heat index

New London monthly precipitation with daily maximum

New London monthly snow depth with daily maximum

New London monthly wind speed information

Nearby cities with good air quality

City, StatePopulationAir Quality IndexNational Avg.
Conning Towers Nautilus Park, CT9,6064412%
Groton Long Point, CT4774412%
Niantic, CT3,0424412%
Old Saybrook Center, CT1,8304412%
Stonington, CT9734412%
New London, CT27,2184412%

Cities with similar population

City, StatePopulationAir Quality IndexNational Avg.
Deer Park, NY27,223476%
Anderson, SC27,2063138%
West Islip, NY27,231476%
Lindenhurst, NY27,234536%
Glen Cove, NY27,246536%
New London, CT27,2184412%
Source: The New London, 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.