TODAY DEC23
TEMPERATURE14
HUMIDITY51
PRESSURE103690
WIND COND.10 9.4
  • 3128Mon
  • 3927Tue40%
  • 3525
  • 3829Thu
  • 4030Fri
daynightWeather update from New York City, Central Park at
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Weather Quick Facts

  • The highest monthly average temperature in Chelsea for July is 77.4 degrees
  • The lowest monthly average temperature in Chelsea for January is 33.1 degrees
  • The most monthly precipitation in Chelsea occurs in June with 5.9 inches
  • The air quality index in Chelsea is 21% worse than the national average
  • The pollution index in Chelsea is 458% worse than the national average

Compare New York, NY Weather

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      Chelsea 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
      January27°F41°F33°F4.3"
      February26°F43°F34°F4.2"
      March32°F51°F40°F3.4"
      April44°F65°F53°F2.9"
      May54°F75°F63°F5.6"
      June63°F82°F72°F5.9"
      July70°F87°F77°F4.9"
      August68°F85°F76°F2.9"
      September62°F80°F70°F3.0"
      October52°F68°F60°F3.7"
      November39°F56°F47°F3.2"
      December35°F48°F41°F4.7"

      Chelsea 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.
      IndexChelseaNew YorkNew York
      Air quality index515143
      Pollution index15,202,5002,225,4006,179,275

      Chelsea air quality

      MeasurementTotal
      Days measured365
      Days with good air quality169
      Days with moderate air quality180
      Days w/ poor A.Q. for sensitive groups16
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.003%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.004%
      Mercury0.002%

      Average monthly Chelsea temperature with heat index

      Chelsea monthly precipitation with daily maximum

      Chelsea monthly snow depth with daily maximum

      Chelsea monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Hackensack, NJ44,266512.0%
      Tenafly, NJ14,550512.0%
      Pelham, NY6,957512.0%
      Clifton, NJ85,201512.0%
      Leonia, NJ9,059512.0%
      New York, NY8,379,552512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Los Angeles, CA3,973,2787244.0%
      Toronto, ON3,013,752n/a 
      Chicago, IL2,699,3475510.0%
      New York, NY8,379,552512.0%
      Source: The Chelsea, New York, NY 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.