TODAY NOV09
TEMPERATURE48
HUMIDITY
PRESSURE102000
WIND COND.
  • 5536Sat
  • 6052Sun80%
  • 694890%
  • 6139Tue
  • 5445Wed
daynightWeather update from Teterboro, Teterboro Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Riverdale for July is 77.4 degrees
  • The lowest monthly average temperature in Riverdale for January is 33.1 degrees
  • The most monthly precipitation in Riverdale occurs in June with 5.9 inches
  • The air quality index in Riverdale is 21% worse than the national average
  • The pollution index in Riverdale is 11% better than the national average

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      Riverdale 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"

      Riverdale 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.
      IndexRiverdaleNew YorkNew York
      Air quality index515143
      Pollution index2,420,5402,225,4006,179,275

      Riverdale 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 Riverdale temperature with heat index

      Riverdale monthly precipitation with daily maximum

      Riverdale monthly snow depth with daily maximum

      Riverdale monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Byram, CT4,8554314.0%
      Glenville, CT2,9764314.0%
      Rye Brook, NY9,5544314.0%
      Greenwich, CT12,9674314.0%
      Pemberwick, CT3,4874314.0%
      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 Riverdale, 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.