TODAY NOV09
TEMPERATURE46
HUMIDITY37
PRESSURE101900
WIND COND.
  • 5435Sat
  • 6052Sun80%
  • 684790%
  • 6138Tue
  • 5344Wed
daynightWeather update from White Plains - Westchester County Airport at
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Weather Quick Facts

  • The highest monthly average temperature in New Rochelle for July is 74.5 degrees
  • The lowest monthly average temperature in New Rochelle for January is 30.4 degrees
  • The most monthly precipitation in New Rochelle occurs in June with 5.1 inches
  • The air quality index in New Rochelle is 21% worse than the national average
  • The pollution index in New Rochelle is 89% worse than the national average

Compare New Rochelle, NY Weather

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      New Rochelle 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°F39°F30°F3.0"
      February23°F40°F31°F2.6"
      March30°F49°F39°F3.5"
      April41°F62°F50°F4.2"
      May50°F71°F60°F4.2"
      June60°F79°F69°F5.1"
      July66°F84°F74°F4.4"
      August64°F82°F72°F4.2"
      September57°F77°F66°F4.3"
      October47°F65°F55°F5.1"
      November37°F54°F45°F3.1"
      December29°F44°F36°F4.5"

      New Rochelle 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 RochelleNew YorkNational
      Air quality index514342
      Pollution index5,164,2306,179,2752,726,193

      New Rochelle 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
      Arsenic0.005%
      Benzene0.060%
      Carbon Tetrachloride0.010%
      Lead0.010%
      Mercury0.004%

      Average monthly New Rochelle temperature with heat index

      New Rochelle monthly precipitation with daily maximum

      New Rochelle monthly snow depth with daily maximum

      New Rochelle monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Old Greenwich, CT6,9804314.0%
      Centre Island, NY3824314.0%
      Glenville, CT2,9764314.0%
      Rye Brook, NY9,5544314.0%
      Riverside, CT8,8554314.0%
      New Rochelle, NY79,367512.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Airdrie, AB79,163n/a 
      Folsom, CA79,584524.0%
      Lakewood, CA79,6767244.0%
      Saint-Jérôme, QC79,702n/a 
      Drummondville, QC79,029n/a 
      New Rochelle, NY79,367512.0%
      Source: The New Rochelle, 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.