TODAY DEC22
TEMPERATURE-2
HUMIDITY75
PRESSURE
WIND COND.20 5.4
  • 1813Mon70%
  • 279Tue80%
  • 2612
  • 2915Thu
  • 3120Fri
daynightWeather update from Barre / Montpelier, Knapp State Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Chelsea for July is 67.8 degrees
  • The lowest monthly average temperature in Chelsea for January is 18.9 degrees
  • The most monthly precipitation in Chelsea occurs in June with 6 inches
  • The air quality index in Chelsea is 19% better than the national average
  • The pollution index in Chelsea is 53% better than the national average

Compare Chelsea, VT 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
      January9°F28°F19°F2.1"
      February11°F30°F20°F2.5"
      March19°F39°F29°F2.7"
      April32°F55°F43°F3.3"
      May43°F68°F55°F4.3"
      June52°F75°F63°F6.0"
      July57°F79°F68°F5.5"
      August55°F78°F66°F4.0"
      September48°F71°F59°F3.3"
      October38°F58°F47°F5.2"
      November27°F46°F36°F2.7"
      December17°F33°F25°F3.6"

      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.
      IndexChelseaVermontNational
      Air quality index343642
      Pollution index1,278,4301,478,7722,726,193

      Chelsea air quality

      MeasurementTotal
      Days measured365
      Days with good air quality328
      Days with moderate air quality37
      Days w/ poor A.Q. for sensitive groups
      Days with unhealthy air quality

      Air quality details

      PollutantTotal
      Arsenic0.001%
      Benzene0.020%
      Carbon Tetrachloride0.002%
      Lead0.010%
      Mercury0.001%

      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.
      East Barre, VT8073432.0%
      South Barre, VT1,1103432.0%
      South Royalton, VT6093432.0%
      Graniteville, VT9073432.0%
      Websterville, VT3803432.0%
      Chelsea, VT4633432.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Bellefonte, AR4633628.0%
      Calhan, CO4634510.0%
      Yampa, CO463476.0%
      Lostant, IL4630100.0%
      Alta Vista, KS4633236.0%
      Chelsea, VT4633432.0%
      Source: The Chelsea, VT 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.