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Key findings

  • The highest monthly average temperature in Long Hill for July is 72.2 degrees
  • The lowest monthly average temperature in Long Hill for January is 31.5 degrees
  • The most monthly precipitation in Long Hill occurs in October with 4.4 inches
  • The air quality index in Long Hill is 26% better than the national average
  • The pollution index in Long Hill is 19% better than the national average

Compare Long Hill, CT Weather

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      Long Hill 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"

      Long Hill 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.
      IndexLong HillConnecticutNational
      Air quality index374350
      Pollution index4,117,2507,127,5315,066,862

      Long Hill air quality information

      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

      Long Hill air quality information

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

      Average monthly Long Hill temperature with heat index

      Long Hill monthly precipitation with daily maximum

      Long Hill monthly snow depth with daily maximum

      Long Hill monthly wind speed information

      Nearby cities with good air quality

      City, StatePopulationAir Quality IndexNational Avg.
      Norwich, CT40,0573726%
      Conning Towers Nautilus Park, CT9,6063726%
      Ashaway, RI1,1113726%
      Groton Long Point, CT4773726%
      Watch Hill, RI1673726%
      Long Hill, CT4,4623726%

      Cities with similar population

      City, StatePopulationAir Quality IndexNational Avg.
      Crestline, OH4,4634118%
      Middletown, MD4,4604020%
      Lawrenceville, IL4,4643628%
      Aurora, NE4,4591962%
      Valdese, NC4,4674314%
      Long Hill, CT4,4623726%
      Source: The Long Hill, 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.