TODAY DEC22
TEMPERATURE7
HUMIDITY60
PRESSURE102810
WIND COND.330 16.6
  • 2419Mon30%
  • 3316Tue80%
  • 3217
  • 3520Thu
  • 3824Fri
daynightWeather update from Pittsfield Municipal Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Chatham for August is 68.8 degrees
  • The lowest monthly average temperature in Chatham for February is 21.5 degrees
  • The most monthly precipitation in Chatham occurs in October with 14.1 inches
  • The air quality index in Chatham is 12% better than the national average
  • The pollution index in Chatham is 64% worse than the national average

Compare Chatham, NY Weather

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      Chatham 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
      January15°F31°F23°F4.6"
      February12°F31°F22°F3.5"
      March19°F39°F29°F5.4"
      April32°F56°F44°F5.6"
      May42°F66°F54°F3.9"
      June54°F78°F66°F5.7"
      July57°F79°F68°F4.4"
      August58°F81°F69°F3.8"
      September50°F75°F62°F2.0"
      October43°F62°F52°F14.1"
      November28°F48°F37°F6.2"
      December19°F33°F26°F4.8"

      Chatham 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.
      IndexChathamNew YorkNational
      Air quality index374342
      Pollution index4,483,5606,179,2752,726,193

      Chatham air quality

      MeasurementTotal
      Days measured364
      Days with good air quality320
      Days with moderate air quality44
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.050%
      Carbon Tetrachloride0.005%
      Lead0.020%
      Mercury0.010%

      Average monthly Chatham temperature with heat index

      Chatham monthly precipitation with daily maximum

      Chatham monthly snow depth with daily maximum

      Chatham monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Athens, NY1,7433726.0%
      Jefferson Heights, NY1,0053726.0%
      Niverville, NY1,4143726.0%
      Valatie, NY1,5253726.0%
      East Nassau, NY4573726.0%
      Chatham, NY1,6923726.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      McAlmont, AR1,6924510.0%
      Vinton, TX1,692536.0%
      Hancock, MD1,6914020.0%
      McComb, OH1,6933922.0%
      Victoria, NL1,691n/a 
      Chatham, NY1,6923726.0%
      Source: The Chatham, 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.