TODAY NOV21
TEMPERATURE52
HUMIDITY37
PRESSURE102470
WIND COND.320 18.4
  • 5532Fri
  • 6449Sat
  • 7342Sun
  • 5631Mon
  • 5235Tue
daynightWeather update from Claremore, Claremore Regional Airport at
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Weather Quick Facts

  • The highest monthly average temperature in Chelsea for July is 83.7 degrees
  • The lowest monthly average temperature in Chelsea for January is 38.8 degrees
  • The most monthly precipitation in Chelsea occurs in May with 6.1 inches
  • The air quality index in Chelsea is 7% worse than the national average
  • The pollution index in Chelsea is 90% better than the national average

Compare Chelsea, OK 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
      January27°F53°F39°F1.5"
      February30°F57°F42°F1.8"
      March41°F68°F53°F3.1"
      April49°F76°F62°F5.1"
      May58°F82°F70°F6.1"
      June69°F91°F80°F4.8"
      July72°F96°F84°F4.1"
      August71°F95°F82°F4.1"
      September62°F88°F74°F4.1"
      October50°F77°F63°F3.5"
      November39°F66°F52°F2.5"
      December29°F53°F40°F2.5"

      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.
      IndexChelseaOklahomaNational
      Air quality index455542
      Pollution index261,7231,271,5332,726,193

      Chelsea air quality

      MeasurementTotal
      Days measured365
      Days with good air quality249
      Days with moderate air quality114
      Days w/ poor A.Q. for sensitive groups2
      Days with unhealthy air quality0

      Air quality details

      PollutantTotal
      Arsenic0.000%
      Benzene0.003%
      Carbon Tetrachloride0.001%
      Lead0.000%
      Mercury0.000%

      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.
      White Oak, OK2843824.0%
      Big Cabin, OK1813824.0%
      New Alluwe, OK623824.0%
      Adair, OK6693824.0%
      Foyil, OK4394510.0%
      Chelsea, OK2,1584510.0%

      Cities with similar population

      CityPopulationAir Quality IndexNational Avg.
      Colquitt, GA2,1583530.0%
      North Seekonk, MA2,1584412.0%
      Vernonia, OR2,1581864.0%
      Arial, SC2,158468.0%
      Lac La Ronge 156, SK2,158n/a 
      Chelsea, OK2,1584510.0%
      Source: The Chelsea, OK 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.