TODAY DEC22
TEMPERATURE4
HUMIDITY65
PRESSURE103590
WIND COND.110 5.4
  • 2622Mon100%
  • 3216Tue70%
  • 2818
  • 3121Thu
  • 3525Fri
daynightWeather update from Watertown, Watertown International Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Belleville for July is 70.5 degrees
  • The lowest monthly average temperature in Belleville for February is 22.1 degrees
  • The most monthly precipitation in Belleville occurs in October with 5.5 inches
  • The air quality index in Belleville is 17% better than the national average
  • The pollution index in Belleville is 41% worse than the national average

Compare Belleville, NY Weather

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      Belleville 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
      January12°F32°F22°F2.6"
      February11°F32°F22°F2.3"
      March21°F42°F32°F2.0"
      April34°F57°F45°F3.3"
      May44°F69°F57°F3.1"
      June54°F76°F65°F4.3"
      July59°F81°F70°F3.2"
      August58°F80°F69°F3.9"
      September50°F73°F62°F3.5"
      October41°F61°F51°F5.5"
      November30°F50°F40°F3.2"
      December20°F37°F29°F3.4"

      Belleville 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.
      IndexBellevilleNew YorkNational
      Air quality index354342
      Pollution index3,846,5806,179,2752,726,193

      Belleville air quality

      MeasurementTotal
      Days measured205
      Days with good air quality198
      Days with moderate air quality7
      Days w/ poor A.Q. for sensitive groups0
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.010%
      Benzene0.040%
      Carbon Tetrachloride0.005%
      Lead0.060%
      Mercury0.010%

      Average monthly Belleville temperature with heat index

      Belleville monthly precipitation with daily maximum

      Belleville monthly snow depth with daily maximum

      Belleville monthly wind speed information

      Nearby cities with good air quality

      CityPopulationAir Quality IndexNational Avg.
      Watertown, NY25,2243530.0%
      Mannsville, NY3943530.0%
      Henderson, NY2363530.0%
      Adams Center, NY1,0003530.0%
      Ellisburg, NY2243530.0%
      Belleville, NY2793530.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Whatley, AL2793726.0%
      Cornfields, AZ2791766.0%
      Garrison, IA2793922.0%
      New Providence, IA2793726.0%
      Harrison, ID2794314.0%
      Belleville, NY2793530.0%
      Source: The Belleville, 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.